This diecast set of sealed mini bass tuning machines is for instruments using 4 in line tuning machine configurations.Each full set includes:
- 4 In Line Left Hand (4) Treble Side Tuning Machines
- All bushings, screws, and washers for installation
- String post diameter = 7/16 in.
- Bushing Type = Screw in threaded
- Peghole size requirement = 9/16 in.
- Gear ratio = 20:1