Grover Roto-Grip Locking Rotomatics 502N Nickel Set of 6
Guitar Machine Heads
Roto-Grip Locking Rotomatics® utilizes the famous 18:1 Rotomatics® 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 thumbscrew. Perfect replacement for the most standard machine heads. Includes all mounting hardware. 502N Nickel For Standard Guitars, 3 Treble and 3 Bass, Set of 6
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