Grover Vintage 3+3 nickel tuner set with Keystone buttons. Features a sturdy die-cast "DELUXE" housing with permanently lubricated gears. 14:1 ratio. Includes screw-in bushings and mounting screws. Requires 3/8"(10mm) peghead holes. Grover's have a lifetime guarantee. Twin Town Guitars does guitar repairs on instruments, electronics, and Plek work! • MFSKU 135N • UPC 082562660069