Tone Ninja diecast are a great upgrade for any electric or acoustic guitar, and carry a best in class lifetime warranty. Precise tuning from a 16:1 gear ratio, enclosed gears for trouble-free operation, and a 135 degree mounting screw for flexibility of mounting.

Installation: Tone Ninja diecast tuners will fit most guitars with 10 mm headstock holes.

A wide variety of upgrade buttons are also available.