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: 6:1Peg 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 technologyRATIO® - 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.
