The Hipshot BT1 Bass Xtender is for bass guitars that have Schaller tuners (Music Man, G&L etc.) and comes complete with mounting screws and instructions. The original E-string mechanism is replaced by the GB7 Bass Extender, which can then switch between E and D tuning by operating the lever.

The main features of the Hipshot BT1 Bass Xtender include:

• Replacement Tuner for Low Bass String
• Mounting Screws and Instructions