Description
Grover’s 102 Series Rotomatics pair solid engineering with clean chrome styling, giving your guitar a tuning system built to hold pitch and last for years. Each unit houses the worm, gear, and string post in a single casting that supports all three components at once, keeping everything aligned under string tension.
- 14:1 gear ratio for smooth, accurate tuning adjustments
- Precision-cut worm and gear mesh tightly, cutting out backlash and slippage
- Countersunk tension screw lets you dial in exactly how much resistance you want on the turn
- Gear box is packed with long-life lubricant for trouble-free operation over time
This set of 6 (3 treble, 3 bass) is sized for standard guitars and finished in chrome. Mounting hardware is included: 5/8″ washers, bushings, and wood screws, so you have what you need to get them installed.
Whether you’re upgrading a worn set of tuners or building out a project guitar, the 102C gives you a dependable, no-frills tuning machine that keeps your instrument in tune longer between adjustments.







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