It makes your bass tunable from E to Low C. Installation instructions and mounting hardware included. Retrofits basses equipped with Gotoh GB7 tuning machines (used on many Ibanez, Yamaha, Epiphone, Peavey, Modulus, Schecter, and Warwick basses).
Hipshot GB7 GOTOH Bass Xtender - Drop D Tuner
Allparts AP-6710 Gotoh Bass String Guide - Nickel, Single Item
Gotoh Bass Tuner Push In Bushing for FB30 / GB640 (Nickel)
Vola Electric Bass ZVA 4P MF Bass Candy Apple Red Gloss Handmade in Japan MIJ Gotoh Bridge Gotoh Tuner 4 Strings Modern C Neck For All Levels
Vola Electric Bass Vasti 5 STM J1 Sandblasted Olympic White Matte Handmade in Japan MIJ Roasted Maple Neck Stainless Steel Frets Gotoh Bridge Gotoh Tuner Signature model 5 Strings Modern C Neck
Hipshot SuperTone 3-Point Replacement Bridge for 4-String Gibson Bass - BLACK