Roland GK-Kit for Guitar Divided guitar pickup for use with Roland V-Guitar System, GR-33 Guitar Synthesizer, or BOSS GK Effect Pedals 3-position switching between divided pickup, natural bass pickup, or mix of both Mounts on any electric or steel-stringed acoustic guitar The Roland GK-KIT-GT3 pickup kit for guitar synths includes all the parts you need to permanently install a GK-2A guitar pickup into an electric guitar: a GK-2A Divided Pickup, circuit board, switches, power indicator LED, 13-pin connector, wiring and hardware Professional installation is required