Graph Tech Tune-A-Lele Ratio Tuned Machine Heads
GRA-GTRU400
Express Post
Anywhere Australia wide*
Revolutionary RATIO® technology changes the game for ukulele players by incorporating individual string gauges directly into the tuning mechanism. These Calibrated Machine Heads represent a breakthrough in precision tuning, moving beyond traditional one-size-fits-all approaches to deliver string-specific calibration.
The Tune-a-Lele series holds the distinction of being the world's lightest machine heads, featuring a musician-friendly 6:1 gear ratio specifically designed for ukuleles. This exceptional engineering creates instruments that remain perfectly balanced rather than becoming headstock heavy, while the zero backlash design makes accurate tuning remarkably straightforward.
The PRU-4004-BK provides a complete set of RATIO® Machine Heads configured for 4-tuner ukuleles. These precision-engineered tuners offer universal compatibility across all ukulele types, making them an ideal upgrade for Soprano ukuleles and other standard configurations.
- RATIO® - Calibrated Machine Heads with different string gauges
- World's lightest machine heads with 6:1 gear ratio
- Balanced for ukuleles, eliminating headstock heaviness
- Zero backlash for easier tuning
- Set of 4 machine heads for ukuleles
- Fits all types of ukuleles, including Soprano
- Gear ratio: 6:1
- Peg holes diameter: 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: 0.011lbs (5g)
- Weight per set of six: 0.044lbs (20g)
- Suitable for string diameters up to 50 gauge (up to 1.3mm diameter)
- Includes 4 machine heads, mounting screws, and bushings