Reverend Justice Bass - Superior BlueThe double J set up evolved. The hum cancelling J Rail pickups are percussive with slightly more power and growl than a typical vintage set. If you like J style instruments but want a little more beef, sustain, and no hum this ones for you. Specs Body Material: Korina Solidbody Neck Material: 5 Piece Maple Walnut, Satin Amber Finish Fingerboard Material: Maple Fingerboard Radius: 12" Bridge Pick up: J Rail Bridge Middle Pick up: Neck Pick up: J Rail