*PLUS AN EXTRA 10% OFF DEDUCTED AUTOMATICALLY AT CHECKOUT WHEN BOUGHT DIRECTLY FROM MOR MUSIC ONLINE*

Roto-Grip Locking Rotomatics® utilize the famous 18:1 Rotomatic® design with a “thumb screw” mechanism which locks the string into place. Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw. Perfect replacement for the most standard machine heads. Includes all mounting hardware.

• Sealed-in, lubricated gears
• 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: 102-18 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

About Grover Musical Products

For over a century, Grover Musical Products has been equipping musicians of all levels - from beginners to professionals - with high-quality musical accessories and parts that deliver clarity, reliability, and performance.

Founded in Cleveland, Ohio in 1922, Grover's legacy includes iconic tuners, machine heads, and instrument accessories that generations of players trust to make great music. Grover's family-run company continues to innovate while honouring a tradition of excellence that spans decades.