GroverGrover offers tuning machines and accessories for a variety of stringed instruments.
Tuner - Hipshot, GT1 Xtender, Grover-style, chrome
Take your music to a new low with the GT1 Grover® Xtender. With the flip of a lever, your low E string can go down to D, C or even B (depending on your string gauge). Retrofits guitars equipped with Grover® Rotomatic tuning machines