Grover 102N ROTOMATICS Guitar Tuners Tuning Machine Set 3+3 Nickel Keys Kidney Button 14:1 Gears for Acoustic or Electric with Tonebird Dunlop Polish Cloth Bundle

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
• Max. string gauge: .074”
• 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
• Comes with Tonebird bundle with a Dunlop polishing cloth, hardware included (bushings, washers, screws)