Grover Rotomatics 102NK Keystone Nickel Set of 6

The Rotomatics® (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.

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.

• 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

Model:

102NK Nickel with Keystone Buttons for standard guitars, 3 Treble and 3 Bass, Set of 6