Hipshot BT1 "X-Tender" drop D tuner for bass guitar. Nickel finish. Right hand. Allows instant de-tuning with the flip of a lever. Adjustable from Eb to C. Fits G&L®, some Gibson®, and Schaller BML tuners. Matches Hipshot American Classic HB1 tuners. Requires 11/16"(18mm) peghead holes.