Ratio Tune-a-Lele Ukulele Tuners (4 pcs)
Ratio Tune-a-Lele Ukulele Tuners (4 pcs)
4.9 / 5.0 Based on 300 reviews
PRU-4004-BK
702725243327
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RATIOĀ® patented gear technology
RATIOĀ® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
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Tune-a-Lele Ukulele tuners areĀ the world's lightest machine heads, with a uke friendly 6:1 gear ratio!
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ThisĀ super light, yet strongĀ machine headĀ makes ukes balanced, not headstock heavy, and withĀ zero backlashĀ makes tuning so much easier.Ā
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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.
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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









- MLMichel L.Verified BuyerReviewing3+3 Ratio Electric Guitar Machine Heads (PRN-2311, 2341, please select finish and button style)I recommend this productRated 5 out of 5 stars1 week agoWorth it
made a huge difference on the bottom strings of my electric. I was use to see the tuning change by looking at the pegs :-)
Was this helpful? - SNSteven N.Verified BuyerReviewing3+3 Ratio Acoustic Guitar Machine Heads Gold Finish. "45 Degree mounting screw" (GT-118-D0)I recommend this productRated 5 out of 5 stars1 week agoRatio tuners
smooth action , no lag. I put them on my Martins
Was this helpful? - KWKristian W.Verified BuyerReviewing3+3 Ratio Electric Locking Machine Heads (PRL-8311, 8322, 8331, 8341, 8351)I recommend this productRated 5 out of 5 stars2 weeks agoGreat tuners
A bit expensive compared to competitors, but absolutely worth the extra money.
The only downside for me, was that the connection plates didn't match my original Kluson Waffle back.
Was this helpful? - MCMarty C.Verified BuyerReviewing3+3 Ratio Electric Locking Machine Heads (PRL-8311, 8322, 8331, 8341, 8351)I recommend this productRated 5 out of 5 stars2 weeks agoLove These Tuners!
I have Graphtech tuners on my three guitars! They are the best of the best, in my opinion! These machine heads keep me in tune better than any tuners Iāve ever used! Worth every penny if playing in tune is a non-negotiable requisite for your playing satisfaction!
Was this helpful? - JYJamie Y.Verified BuyerReviewing3+3 Ratio Acoustic Locking Guitar Machine Heads (PRL-8411, PRL-8441, Select Finish and Button Style)I recommend this productRated 5 out of 5 stars3 weeks agoBest ever
I put these on my acoustic and they feel very premium.
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