Grover Electric Guitar Tuning Key (106BC)

This is the original 3×3 Locking Rotomatic 106BC Black Chrome. This 6-Piece set locks automatically, enable quick string changes, and have a 18:1 gear ratio for precise tuning. With nearly 100 years of keeping the world’s finest guitars in tune , it’s clear why Grover is known to make the best tuners around.