Featuring precision 16:1 ratio, sealed lubrication, cast housings, and removable metal knobs, Gotoh Magnum auto-locking tuners are among the finest available. 3 tuners per side. Includes mounting screws and threaded hex bushings. Set of six.

Gotoh Magnum Lock String Changing Instructions
1. Open up the locking shaft by loosening the lock nut on the top of the shaft (a coin or screwdriver will work).

2. Insert the string into the shaft.

3. Take up string slack and hold tightly while winding tuner button.

4. Locking shaft will automatically lock string into place.

5. To unlock, loosen the tuner button, then loosen the lock nut on top of the shaft.