Grover Rotomatics 102 Series Tuners, Keystone Buttons - Black Chrome

The 102 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing, which eliminates backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service.

Specifications

- Sealed-in, lubricated gears
- 14:1 gear ratio
- 25/64" post hole
- Post length to hole: 23mm
- Overall post length: 28.2mm
- Weight per pc/per set: 1.6oz/9.6oz
- Max. string gauge: .074"
- Hardware included (bushings, washers, screws)

Drop-in Replacement For
- 102-18 Series
- 102V Series
- 103 Series
- 106 Series
- 109 Series
- 109-18 Series
- 135 Series (Top mounting hole will be visible)
- 136 Series (Top mounting hole will be visible)
- 502 Series
- 509 Series