Hipshot BT1 "X-Tender" drop D tuner for bass guitar. Nickel finish with SHORT clover key for many USA Ernie Ball®/Music Man® bass models. Right handed. Allows instant de-tuning with the flip of a lever. Adjustable from Eb to C. Also matches Hipshot American Classic short version HB1 tuners. Requires 11/16"(18mm) peghead holes.