Grover Original Rotomatics Machineheads ~ 3+3 Keystone Button ~ Chrome

For standard guitars, set of 6.

The 102-18 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. 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..

18:1 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 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

For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.