These locking machine heads 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.
- 18:1 ratio
- L3+R3 Set (3 bass side, 3 treble side)
- Large Imperial Buttons
- Requires 13/32"(10mm) peghead holes for installation
- Includes threaded bushings, face washers, and mounting screws
