Grover Vintage 3+3 nickel tuner set with round metal 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. • MFSKU 136N • UPC 082562661080