{"title":"RATIO MACHINE HEADS - Electric","description":"","products":[{"product_id":"electric-locking-4x2-minicont-machine-heads-prl-8421","title":"Ratio by Graph Tech Model # 8421-C0 (12:1 to 39:1) Electric Locking 4x2","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8421\u003c\/strong\u003e is a right-handed set of Locking RATIO® Calibrated Machine Heads for a Music Man, or other 4 x 2 style headstock.\u003c\/p\u003e\n\u003cp\u003eIt has a mini contemporary button.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"100\" width=\"100\" alt=\"4x2 tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_4x2_d911936d-f382-43a2-8708-3a6f7eaa1871.png?v=1629836674\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":31154090475543,"sku":"PRL-8421-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":31154089689111,"sku":"PRL-8421-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":31154089721879,"sku":"PRL-8421-G0","price":206.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRL-8721-C0_8bb4ce05-63dd-4d0e-9cee-8e4ef37afcb5.jpg?v=1771631197"},{"product_id":"lefty-electric-locking-6l-minicont-three-colors-prl-8721-8731","title":"Ratio by Graph Tech Model # 8721-LG0 (12:1 to 39:1) Lefty Electric Locking 6 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8721\u003c\/strong\u003e and \u003cstrong\u003ePRL-8731\u003c\/strong\u003e are left-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners.\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\" alt=\"6-in-line tuners set\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Gold \/ Contemporary Mini","offer_id":39287717920791,"sku":"PRL-8721-LG0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Classic","offer_id":39292831793175,"sku":"PRL-8731-LG0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":39287717855255,"sku":"PRL-8721-LB0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":39292832219159,"sku":"PRL-8731-LB0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Contemporary Mini","offer_id":39287717888023,"sku":"PRL-8721-LC0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":39292831891479,"sku":"PRL-8731-LC0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/8721-lefty-chrome.jpg?v=1771626988"},{"product_id":"prn-2311-2341-ratio-electric-machine-heads-3-plus-3-select-finish-color","title":"Ratio by Graph Tech Model # 2341-C0 (12:1 to 39:1) Electric 3x3","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRN-2311 and 2341\u003c\/strong\u003e are right-handed sets of RATIO® Calibrated Machine Heads for electric guitars that use 3 x 3 tuners.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: start;\"\u003e\n\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg data-mce-fragment=\"1\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x3_9de00b30-4ef4-4cc7-9fe7-b8a585dca07f_100x100.png?v=1629836673\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Vintage","offer_id":29499542110231,"sku":"PRN-2341-C0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Contemporary","offer_id":29499542142999,"sku":"PRN-2311-C0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Vintage","offer_id":29499542175767,"sku":"PRN-2341-N0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Contemporary","offer_id":29499542208535,"sku":"PRN-2311-N0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Vintage","offer_id":29499542241303,"sku":"PRN-2341-B0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary","offer_id":29499542274071,"sku":"PRN-2311-B0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Vintage","offer_id":29499542306839,"sku":"PRN-2341-G0","price":146.73,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary","offer_id":29499542339607,"sku":"PRN-2311-G0","price":146.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/prn-2341-c0.jpg?v=1771967459"},{"product_id":"prn-2721-2731-ratio-electric-guitar-machine-heads-6-in-line","title":"Ratio by Graph Tech Model # 2721-C0 (12:1 to 39:1) Electric 6 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRN-2721\u003c\/strong\u003e and \u003cstrong\u003ePRN-2731\u003c\/strong\u003e are right-handed sets of RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners.\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"6-in-line tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":29499589591063,"sku":"PRN-2721-C0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Contemporary Mini","offer_id":29499589656599,"sku":"PRN-2721-N0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":29499589722135,"sku":"PRN-2721-B0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":29499589787671,"sku":"PRN-2721-G0","price":146.73,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Classic","offer_id":29499648049175,"sku":"PRN-2731-G0","price":146.73,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Classic","offer_id":29499649064983,"sku":"PRN-2731-N0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":29499651588119,"sku":"PRN-2731-C0","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":29499657060375,"sku":"PRN-2731-B0","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/prn-2721-c0.jpg?v=1771967109"},{"product_id":"ratio-electric-locking-machine-heads-3-per-side","title":"Ratio by Graph Tech Model # 8311-C0 (12:1 to 39:1) Electric Locking 3x3","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8311, 8322, 8331, 8341, and 8351\u003c\/strong\u003e are right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 3 x 3 tuners, such as Gibson style and PRS style guitars.\u003c\/p\u003e\n\u003cp\u003eA great upgrade over single-gear machine heads, such as Grover, Schaller, Sperzel, Kluson, etc.\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: start;\"\u003e\n\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg data-mce-fragment=\"1\" style=\"float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x3_9de00b30-4ef4-4cc7-9fe7-b8a585dca07f_100x100.png?v=1629836673\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary","offer_id":29499697201175,"sku":"PRL-8311-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Vintage","offer_id":29499697233943,"sku":"PRL-8341-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Contemporary Mini","offer_id":32905732227095,"sku":"PRL-8322-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Vintage Keystone","offer_id":40569217286167,"sku":"PRL-8351-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":40648234827799,"sku":"PRL-8331-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary","offer_id":40340651573271,"sku":"PRL-8311-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Vintage","offer_id":40340651606039,"sku":"PRL-8341-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":40340651638807,"sku":"PRL-8322-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Vintage Keystone","offer_id":41663003787287,"sku":"PRL-8351-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Classic","offer_id":41705229713431,"sku":"PRL-8331-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary","offer_id":29499697332247,"sku":"PRL-8311-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Vintage","offer_id":29499697365015,"sku":"PRL-8341-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":32905730097175,"sku":"PRL-8322-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Vintage Keystone","offer_id":41663009095703,"sku":"PRL-8351-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":32905731112983,"sku":"PRL-8331-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Contemporary","offer_id":44957620568087,"sku":"PRL-8311-N0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Vintage","offer_id":44957620600855,"sku":"PRL-8341-N0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Contemporary Mini","offer_id":44957620633623,"sku":"PRL-8322-N0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Vintage Keystone","offer_id":44957620666391,"sku":"PRL-8351-N0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Classic","offer_id":44957620699159,"sku":"PRL-8331-N0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRL-8721-C0.jpg?v=1771631329"},{"product_id":"prl-8721-8731-ratio-electric-locking-machine-heads-6-in-line-right-hand","title":"Ratio by Graph Tech Model # 8721-C0 (12:1 to 39:1) Electric Locking 6 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8721\u003c\/strong\u003e and \u003cstrong\u003ePRL-8731\u003c\/strong\u003e are right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners.\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\" alt=\"6-in-line tuners set\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":29499712929815,"sku":"PRL-8721-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":29499714404375,"sku":"PRL-8731-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":29499715485719,"sku":"PRL-8721-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":29499712995351,"sku":"PRL-8731-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":29499713060887,"sku":"PRL-8721-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Classic","offer_id":29499715911703,"sku":"PRL-8731-G0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Contemporary Mini","offer_id":44957618307095,"sku":"PRL-8721-N0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Classic","offer_id":44957618339863,"sku":"PRL-8731-N0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/prl-8721-c0_72ea567b-4f21-4204-947c-02267e32e146.jpg?v=1771631004"},{"product_id":"ratio-electric-locking-machine-heads-6-in-line-prl-9721","title":"Ratio by Graph Tech Model # 9721-C0 (12:1 to 39:1) Electric Locking 6 in-Line Staggered","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-9721\u003c\/strong\u003e and \u003cstrong\u003ePRL-9731\u003c\/strong\u003e are right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners with staggered posts (eliminates the need for a string tree).\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"6-in-line tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\"\u003e \u003cimg data-mce-fragment=\"1\" alt=\"Staggered tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/STAGGERED_icon_gray_100x100.png?v=1629842092\"\u003e \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg data-mce-fragment=\"1\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":29499729051671,"sku":"PRL-9721-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":40828024193047,"sku":"PRL-9731-C0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":29499728986135,"sku":"PRL-9721-B0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":40828024225815,"sku":"PRL-9731-B0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/prl-9721-Lx7-C0.webp?v=1771630574"},{"product_id":"7-string-4x3-ratio-tuners-prl-8521","title":"Ratio by Graph Tech Model # 8521-C7 (12:1 to 48:1) Electric Locking 4x3","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low B to High E 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8521 \u003c\/strong\u003eis a right-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that uses a 4 x 3 tuner configuration.\u003c\/p\u003e\n\u003cp\u003eFits many Gibson\/Epiphone, PRS-style guitars, and any other guitar with a 4+3 headstock.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_4x3_7140929c-d84b-4df9-9254-c16d1e4c71e3.png?v=1629836673\" alt=\"4x3 tuners set\" width=\"100\" height=\"100\"\u003e \u003cimg style=\"float: none;\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":31269583224855,"sku":"PRL-8521-C7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":31269589450775,"sku":"PRL-8521-B7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":33044135084055,"sku":"PRL-8521-G7","price":241.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/prl-8721-c0_8f13bfa8-1dc1-456e-b1c1-5ba60711c094.jpg?v=1771622517"},{"product_id":"7-string-7-in-line-locking-tuners-please-select-finish-prl-8721","title":"Ratio by Graph Tech Model # 8721-C7 (12:1 to 48:1) Electric Locking 7 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low B to High E 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8721-_7\u003c\/strong\u003e is a right-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use 7-in-line tuners. -C7 = Chrome  B7 = Black G7 = Gold\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\" alt=\"6-in-line tuners set\"\u003e \u003cimg style=\"float: none;\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":31269603966999,"sku":"PRL-8721-C7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":31269603999767,"sku":"PRL-8721-B7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":39252408107031,"sku":"PRL-8721-G7","price":241.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/prl-8721-c0_46ca4bb3-c05e-49f9-89eb-fa1e26413ca3.jpg?v=1771622300"},{"product_id":"ratio-electric-locking-machine-heads-3-4-please-select-finish-and-button-style","title":"Ratio by Graph Tech Model # 8621-C7 (12:1 to 48:1) Electric Locking 3x4","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low B to High E 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8621\u003c\/strong\u003e is a right-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use a 3 x 4 tuner configuration.\u003c\/p\u003e\n\u003cp\u003eFits many Jackson, Schecter, and Ibanez (selected) style guitars and a lot of acoustic guitars if you want to upgrade to a locking set of machine heads.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x4_59de5803-cbf2-4ea0-bae1-0d777090a61c.png?v=1629836673\" alt=\"3x4 tuners set\" width=\"100\" height=\"100\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":32905748152343,"sku":"PRL-8621-C7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":32905748185111,"sku":"PRL-8621-B7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Contemporary Mini","offer_id":32905751789591,"sku":"PRL-8621-G7","price":241.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRL-8721-C0_84a69ee4-c7b7-483e-9834-db8c9d6cddee.jpg?v=1771622863"},{"product_id":"ratio-machine-heads-6-in-line-retro-fender-style-prn-4624-n0","title":"Ratio by Graph Tech Model # 4624-N0 (12:1 to 39:1) Electric 6 in-Line Waffle","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRN-4624\u003c\/strong\u003e is a right-handed set of open RATIO® Calibrated Machine Heads in a retro look for electric guitars that use 6-in-line tuners.\u003c\/p\u003e\n\u003cp\u003eFits vintage style guitars (e.g. Fender Style).\u003c\/p\u003e\n\u003cp\u003ePlease note that our open-back guitar tuners are made to a vintage specification (11\/32” \/ 8.71mm peghead holes), however, we do stock bushings with a larger outer diameter for modern day headstocks (13\/32” \/ 10.23mm peghead holes) They are available upon special request \u003ca href=\"mailto:support@graphtech.com\"\u003esupport@graphtech.com\u003c\/a\u003e Please check the specifications below:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\" alt=\"6-in-line tuners set\"\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/graphtech.com\/cdn\/shop\/files\/Retro_Ratio_open-back_machine_head_measurements.pdf?v=7494763304547214040\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Measurements_100x100_2535b5f6-15ee-4104-894c-510d9b17ac94.avif?v=1756245113\" alt=\"\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/graphtech.com\/cdn\/shop\/files\/Retro_Ratio_open-back_machine_head_measurements.pdf?v=7494763304547214040\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRatio Open Back Bushing Large:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Ratio_Open_Back_Bushing_Large.pdf?v=1763657142\" target=\"_blank\" title=\"Ratio Open Back Bushing Large\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Measurements_100x100_2535b5f6-15ee-4104-894c-510d9b17ac94.avif?v=1756245113\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Nickel \/ Classic","offer_id":33032298135575,"sku":"PRN-4624-N0","price":189.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRN-4624-N06-in-linesingle_6.jpg?v=1771963434"},{"product_id":"ratio-machine-heads-3-plus-3-retro-prn-4324-4424","title":"Ratio by Graph Tech Model # 4324-N0 (12:1 to 39:1) Electric 3x3  Retro Style","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRN-4324\u003c\/strong\u003e and \u003cstrong\u003ePRN-4424\u003c\/strong\u003e are the right-handed sets of open RATIO® Calibrated Machine Heads in a retro look for electric guitars that use 3+3 side tuners.\u003c\/p\u003e\n\u003cp\u003eFit vintage-style guitars.\u003c\/p\u003e\n\u003cp\u003ePlease note that our open-back guitar tuners are made to a vintage specification (11\/32” \/ 8.71mm peghead holes), however, we do stock bushings with a larger outer diameter for modern day headstocks (13\/32” \/ 10.23mm peghead holes) They are available upon special request \u003ca href=\"MAILTO:support@graphtech.com\"\u003esupport@graphtech.com. \u003c\/a\u003ePlease check the specifications below:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"100\" width=\"100\" alt=\"3+3 tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x3_9de00b30-4ef4-4cc7-9fe7-b8a585dca07f.png?v=1629836673\"\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/graphtech.com\/cdn\/shop\/files\/Retro_Ratio_open-back_machine_head_measurements.pdf?v=7494763304547214040\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Measurements_100x100_2535b5f6-15ee-4104-894c-510d9b17ac94.avif?v=1756245113\" alt=\"\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRatio Open Back Bushing Large:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Ratio_Open_Back_Bushing_Large.pdf?v=1763657142\" target=\"_blank\" title=\"Ratio Open Back Bushing Large\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Measurements_100x100_2535b5f6-15ee-4104-894c-510d9b17ac94.avif?v=1756245113\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Nickel \/ Classic","offer_id":33032458010647,"sku":"PRN-4324-N0","price":189.69,"currency_code":"USD","in_stock":true},{"title":"Nickel \/ Vintage Keystone","offer_id":39361352269847,"sku":"PRN-4424-N0","price":189.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRN-4324-N0single_6_519e28e4-c810-4482-b2e6-de22c583edf3.jpg?v=1771963497"},{"product_id":"3-3-lefty-electric-locking-ratio-machine-head-vintage-button-select-finish-prl-8341","title":"Ratio by Graph Tech Model # 8341-LC0 (12:1 to 39:1) Lefty Electric Locking 3x3","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-834\u003c\/strong\u003e\u003cstrong\u003e1\u003c\/strong\u003e is a left-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use 3 x 3 tuners, such as Gibson style and PRS style guitars.\u003c\/p\u003e\n\u003cp\u003eA great upgrade over single-gear machine heads, such as Grover, Schaller, Sperzel, Kluson, etc.\u003c\/p\u003e\n\u003cp\u003eProbably the easiest machine heads to retrofit using the Invisomatch Mounting Plates which allows you to use your existing screw holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x3_9de00b30-4ef4-4cc7-9fe7-b8a585dca07f.png?v=1629836673\" alt=\"3x3 tuners set\" width=\"100\" height=\"100\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Vintage","offer_id":39291272691735,"sku":"PRL-8341-LC0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Gold \/ Vintage","offer_id":39291272724503,"sku":"PRL-8341-LG0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Black \/ Vintage","offer_id":39291272757271,"sku":"PRL-8341-LB0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRL-8341-LC0.jpg?v=1771623444"},{"product_id":"3-3-ratio-lefty-electric-locking-machine-heads-contemporary-button-select-finish-prl-8311","title":"Ratio by Graph Tech Model # 8311-LG0 (12:1 to 39:1) Lefty Electric Locking 3x3","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-831\u003c\/strong\u003e\u003cstrong\u003e1\u003c\/strong\u003e is a left-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use 3 x 3 tuners.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"100\" width=\"100\" alt=\"3x3 tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x3_9de00b30-4ef4-4cc7-9fe7-b8a585dca07f.png?v=1629836673\"\u003e  \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Gold \/ Contemporary","offer_id":39292820619287,"sku":"PRL-8311-LG0","price":206.7,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary","offer_id":39292820652055,"sku":"PRL-8311-LB0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Contemporary","offer_id":39292820684823,"sku":"PRL-8311-LC0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRL-8311-LC0.jpg?v=1771627569"},{"product_id":"4-2-ratio-lefty-electric-locking-machine-heads-mini-contemporary-button-black-finish-prl-8421-lb0","title":"Ratio by Graph Tech Model # 8421-LB0 (12:1 to 39:1) 4x2 Lefty Electric Locking","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003e8421-LB0\u003c\/strong\u003e is a left-handed set of Locking RATIO® Calibrated Machine Heads for a Music Man, or other 4 x 2 style headstock.\u003c\/p\u003e\n\u003cp\u003eIt has a mini contemporary button.\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_4x2_d911936d-f382-43a2-8708-3a6f7eaa1871.png?v=1629836674\" alt=\"4x2 tuners set\" width=\"100\" height=\"100\"\u003e \u003cimg style=\"float: none;\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Black \/ Contemporary Mini","offer_id":39338316824599,"sku":"PRL-8421-LB0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/8721-lefty-black_62950944-1ff2-472f-bab3-6cb570a2fc50.jpg?v=1771961812"},{"product_id":"4-2-ratio-electric-machine-heads-mini-contemporary-button-chrome-finish-prn-2321-c0","title":"Ratio by Graph Tech Model # 2321-C0 (12:1 to 39:1) Electric Non-Locking 4x2","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRN-2321\u003c\/strong\u003e is a right-handed set of RATIO® Calibrated Machine Heads for electric guitars that use 4 x 2 tuners.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\" style=\"text-align: start;\"\u003e\n\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg data-mce-fragment=\"1\" height=\"100\" width=\"100\" alt=\"4x2 tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_4x2_d911936d-f382-43a2-8708-3a6f7eaa1871.png?v=1629836674\" style=\"float: none;\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary","offer_id":39338321510423,"sku":"PRN-2321-C0","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRN-2321-C0-a.jpg?v=1771961881"},{"product_id":"3-3-ratio-electric-guitar-machine-heads-butterbean-button-nickel-finish-prn-3424-n0","title":"Ratio by Graph Tech Model # 3424-N0 (12:1 to 39:1) Electric 3x3","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRN-34\u003c\/strong\u003e\u003cstrong\u003e24\u003c\/strong\u003e is the right-handed set of open RATIO® Calibrated Machine Heads for electric guitars that use 3+3 side tuners.\u003c\/p\u003e\n\u003cp\u003ePlease note that our retro tuners are made to a vintage specification (for 11\/32” peghead holes) and will not be a direct replacement for a modern tuner. Please check the specifications below:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg height=\"100\" width=\"100\" alt=\"3+3 tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_3x3_9de00b30-4ef4-4cc7-9fe7-b8a585dca07f.png?v=1629836673\"\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/a\u003e\u003ca title=\"Butterbean Head measurments\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Butterbean_Head_measurments.pdf?v=1763658135\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Measurements_100x100_2535b5f6-15ee-4104-894c-510d9b17ac94.avif?v=1756245113\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRatio Open Back Bushing Large:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Ratio_Open_Back_Bushing_Large.pdf?v=1763657142\" target=\"_blank\" title=\"Ratio Open Back Bushing Large\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Measurements_100x100_2535b5f6-15ee-4104-894c-510d9b17ac94.avif?v=1756245113\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Nickel \/ Butterbean","offer_id":39338333011991,"sku":"PRN-3424-N0","price":178.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/products\/PRN-3424-N0-a_1_-Copy.jpg?v=1625912530"},{"product_id":"6-in-line-ratio-lefty-electric-locking-machine-heads-staggered-posts-prl-9721-l-select-finish-and-button","title":"Ratio by Graph Tech Model # 9721-LC0 (12:1 to 39:1) Lefty Electric Locking 6 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" alt=\"RATIO Machine Heads explanation video\"\u003e\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-9721-L\u003c\/strong\u003e and \u003cstrong data-mce-fragment=\"1\"\u003ePRL-9731-L\u003c\/strong\u003e are the left-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars with 6-in-line tuners with staggered posts (eliminates the need for a string tree).\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\" alt=\"6-in-line tuners set\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/STAGGERED_icon_gray_100x100.png?v=1629842092\" alt=\"Staggered tuners set\" data-mce-fragment=\"1\"\u003e \u003ca href=\"https:\/\/youtu.be\/s_z77u_QLk4?t=1\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" data-mce-fragment=\"1\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":40309679456279,"sku":"PRL-9721-LC0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":40828125118487,"sku":"PRL-9731-LC0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":40309679489047,"sku":"PRL-9721-LB0","price":160.94,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":40828125151255,"sku":"PRL-9731-LB0","price":160.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/PRL-9721-L.webp?v=1771630139"},{"product_id":"7-string-7-in-line-ratio-electric-locking-machine-heads-staggered-posts-prl-9721-x7-select-finish-and-button","title":"Ratio by Graph Tech Model # 9721-C7 (12:1 to 48:1) Electric Locking 7 in-Line Staggered","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low B to High E 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-9721-x7\u003c\/strong\u003e and \u003cstrong data-mce-fragment=\"1\"\u003ePRL-9731-x7\u003c\/strong\u003e are the right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 7-in-line tuners with staggered posts (eliminates the need for a string tree).\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"6-in-line tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\"\u003e \u003cimg alt=\"Staggered tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/STAGGERED_icon_gray_100x100.png?v=1629842092\" data-mce-fragment=\"1\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" style=\"float: none;\"\u003e\u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":40310060515351,"sku":"PRL-9721-C7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":40828132032535,"sku":"PRL-9731-C7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":40310060548119,"sku":"PRL-9721-B7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":40828132065303,"sku":"PRL-9731-B7","price":187.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/prl-8721-c0_0ee0f9c0-e2da-45c5-9828-e3eaae897467.jpg?v=1771622692"},{"product_id":"7-string-7-in-line-ratio-lefty-electric-locking-machine-heads-staggered-posts-prl-9721-lx7-select-finish-and-button","title":"Ratio by Graph Tech Model # 9721-LC7 (12:1 to 48:1) Lefty Staggered Electric Locking 7 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low B to High E 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-9721-Lx7\u003c\/strong\u003e and \u003cstrong data-mce-fragment=\"1\"\u003ePRL-9721-Lx7\u003c\/strong\u003e are the left\u003cspan data-mce-fragment=\"1\"\u003e-handed\u003c\/span\u003e sets of Locking RATIO® Calibrated Machine Heads for electric guitars \u003cspan data-mce-fragment=\"1\"\u003ewith \u003c\/span\u003e7-in-line tuners with staggered posts (eliminates the need for a string tree).\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"6-in-line tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\"\u003e \u003cimg alt=\"Staggered tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/STAGGERED_icon_gray_100x100.png?v=1629842092\" data-mce-fragment=\"1\"\u003e \u003cimg style=\"float: none;\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":40310084206615,"sku":"PRL-9721-LC7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Chrome \/ Classic","offer_id":40828135145495,"sku":"PRL-9731-LC7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":40310084239383,"sku":"PRL-9721-LB7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Classic","offer_id":40828135178263,"sku":"PRL-9731-LB7","price":187.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/prl-9721-Lx7-C0_2fc27b84-7aa5-4536-8f65-361e63bf2d34.webp?v=1771628107"},{"product_id":"7-string-7-in-line-ratio-lefty-electric-locking-machine-heads-prl-8721-lx7-select-finish","title":"Ratio by Graph Tech Model # 8721-LC7 (12:1 to 48:1) Lefty Electric Locking 7 in-Line","description":"\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eRATIO® patented gear technology\u003c\/strong\u003e\u003cbr\u003eRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eFrom Low B to High E 48:1, 39:1, 24:1, 20:1, 35:1, 20:1, 12:1\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eWe balanced the gear ratios to each string simplifying the tuning process.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cstrong\u003eWith RATIO®, a half-turn is a semi-tone!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003eEvery string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.\u003c\/p\u003e\n\u003cp class=\"xmsonormal\"\u003e\u003cimg alt=\"RATIO Machine Heads explanation video\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/RATIO_product_page_animation_Feb09_22_480x480.gif?v=1644955235\"\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e \u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp\u003eThe \u003cstrong\u003ePRL-8721-Lx7\u003c\/strong\u003e is a left-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use 7-in-line tuners.\u003c\/p\u003e\n\u003cp\u003eIt has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [\u003ca href=\"https:\/\/graphtech.com\/collections\/ratio-machine-heads-mounting-plates\" title=\"Mounting Plates for Graph Tech Ratio Machine Heads\" target=\"_blank\"\u003eopens in new tab\u003c\/a\u003e].\u003c\/p\u003e\n\u003cp\u003e4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"6-in-line tuners set\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Guitar_Headstock_6inline_100x100.png?v=1629836673\"\u003e \u003cimg style=\"float: none;\" alt=\"Ratio Tuned Machine Heads: The New Standard In Tuning Technology\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/Icon_Item_Video_Information_100x100.png?v=1629393842\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Graph Tech Guitar Labs Ltd.","offers":[{"title":"Chrome \/ Contemporary Mini","offer_id":40352398999575,"sku":"PRL-8721-LC7","price":187.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ Contemporary Mini","offer_id":40352399032343,"sku":"PRL-8721-LB7","price":187.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/files\/PRL-8721-Lx7.webp?v=1771628296"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2372\/8913\/collections\/PRL-9721-CO.jpg?v=1605127485","url":"https:\/\/graphtech.com\/collections\/ratio-machine-heads-electric\/6-in-line-tuners.oembed","provider":"Graph Tech Guitar Labs Ltd.","version":"1.0","type":"link"}