• Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs Ltd.
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs Ltd.
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs Ltd.
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs Ltd.
  • Ratio Tune-a-Lele Ukulele Tuners (4 pcs) - Graph Tech Guitar Labs
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Ratio by Graph Tech (6:1) Ukulele Tuner Regular Button (4 pc set) Black #PRU-4004-BK

Ratio by Graph Tech (6:1) Ukulele Tuner Regular Button (4 pc set) Black #PRU-4004-BK

PRU-4004-BK

702725243327

$32.95 USD
$32.95 USD
Sale Sold out
Shipped within 1-2 business days.

RATIOĀ® patented gear technology
RATIOĀ® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.

Ā 

Tune-a-Lele Ukulele tuners areĀ the world's lightest machine heads, with a uke friendly 6:1 gear ratio!

Ā 

ThisĀ super light, yet strongĀ machine headĀ makes ukes balanced, not headstock heavy, and withĀ zero backlashĀ makes tuning so much easier.Ā 

Ā 

The PRU-4004-BK is a set of RATIOĀ® Machine Heads for ukuleles that use 4 tuners.

These ukulele machine heads are a perfect fit for all types of ukuleles including the Soprano type.

Ā 

Ratio Tuned Machine Heads: The New Standard In Tuning Technology

Gear ratio: 6:1
Peg holes diameter required: 0.236" (6mm)
String post diameter: 0.232" (5.9mm)

Bushings diameter: 0.344" (8.75mm)
String post length to string hole: 0.732ā€ (18.6mm)
Weight per single machine head: 0.011lbs (5g)
Weight per set of six: 0.044lbs (20g)
String diameter up to 50 gauge (up to 1.3mm diameter)
Includes 4 machine heads, mounting screws and bushings

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5.0
Rated 5.0 out of 5 stars
Based on 352 reviews
Total 5 star reviews: 338 Total 4 star reviews: 12 Total 3 star reviews: 2 Total 2 star reviews: 0 Total 1 star reviews: 0
99%would recommend these products
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352 reviews
  • GA
    Gilles A.
    Verified Buyer
    Reviewing
    Ratio by Graph Tech (12:1 to 39:1) Electric Locking 3x3 Cont Chrome #PRL-8311
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Awesome

    Perfect upgrade, higher than my hopes

    Was this helpful?
  • GB
    Gerald B.
    Verified Buyer
    Reviewing
    Ratio by Graph Tech (12:1 to 39:1) Electric 3x3 Vintage Chrome #PRN-2341-C0
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Outstanding tuners!

    Ratio tuners by Graph Tech are the best guitar tuners I've ever used...Period. I plan to install Ratio tuners in all of my guitars. Thanks, Graph Tech!

    Was this helpful?
  • MR
    Mahan R.
    Verified Buyer
    Reviewing
    Ratio by Graph Tech (12:1 to 39:1) Electric 3x3 Waffle, Classic. Nickel #PRN-4324-N0
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    Amazing!

    Ratio tuners are a genuine quality of life improvement to any guitar. I would strongly recommend to everyone. Strong concept, executed well.

    Was this helpful?
  • JA
    Jeff A. L.
    Verified Buyer
    Reviewing
    Ratio by Graph Tech (12:1 to 39:1) Acoustic Locking 3x3 Cont Chrome #PRL-8411-C0
    I recommend this product
    Rated 5 out of 5 stars
    4 weeks ago
    ratio

    theyre great

    Was this helpful?
  • DD
    Dave D.
    Verified Buyer
    Reviewing
    Ratio by Graph Tech (12:1 to 39:1) Acoustic Locking 3x3 Cont Chrome #PRL-8411-C0
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    good tuners

    Quick service and good product.

    Was this helpful?
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