The PRU-5004 is a set of RATIO® Machine Heads for ukuleles that use 4 tuners.
This set has larger buttons than the PRU-4004-BK version.
These ukulele machine heads are a perfect fit for all types of ukuleles except the Soprano type.
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: 0.732” (18.6mm)
Weight per single machine head: 0.015lbs (7g)
Weight per set of six: 0.066lbs (30g)
String diameter up to 50 gauge (up to 1.3mm diameter)
Includes 4 machine heads, mounting screws and bushings
RATIO® patented gear technology
RATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
Tune-a-Lele Ukulele tuners are the world's lightest machine heads, with a uke friendly 6:1 gear ratio!
This super light, yet strong machine head makes ukes balanced, not headstock heavy, and with zero backlash makes tuning so much easier.
About GraphTech
From a kitchen table start up in the early 1980’s Graph Tech Labs has become the undeniable #1, an innovative and unique institution, inventing, patenting, and producing an endless selection of essentials to improve and enhance tone, playability, reliability and versatility for all fretted instruments and players.
Famous for nuts, Graph Tech’s proprietary Tusq, NuBone and NuBone XL top nut and saddle materials offer a limitless choice of options for players to “up their tone”. Technological advances such as Ratio Tuners improve tuning speed and accuracy. Graph Tech’s Ghost Acousti-Phonic modular pickup system lets you “Be the Band”, with a studio quality true acoustic tone and Ghost Hexpander MIDI compatible output and unparalleled tracking, at the flick of a switch.
Explore the world of Graph Tech and discover why over 140 of the worlds top guitar brands fit GraphTech as original equipment, and countless guitar builders, repairers and players have chosen Graph Tech nuts, nut lubricants, saddles, bridges, bridge pins, string trees, picks, machine heads, electronics, pickups, and hand treatments to enhance the performance of their instruments and playing.