Easy to install and convenient to use, insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw
Locking tuners are excellent for non-locking tremolo guitars, and for players that do heavy string-bending. Tuners and all mounting hardware packed well in a foam box
18:1 Locking Tuners Tuning Keys Guitar Locking Tuning Machines with Mini Contemporary Buttons for most Electric/Acoustic Guitars Black