Set of four - Hipshot USA HB6C Ultralite tuners for bass guitar. Black finish with clover leaf keys. At 57 grams each, USA-made Ultralite series tuners are almost 50% lighter than full-size Fender® vintage keys. Great for neck heavy basses! Reversible for right or left hand use. Tuner post is 1/2"(13mm) and fits 11/16"(17.5mm) peghead holes. Includes screw-in bushings, face washers, and mounting screws.