Reverend MERCALLI 4 Electric Bass Guitar (Army Green)Enter the Mercalli 4 from Reverend's Bolt On series. Influenced by the classics and enthused by innovation, this beautifully designed bass features custom crafted Thick Brick and Split Brick pickups as well as a sturdy, lightweight construction and a richly resonant korina body. High end appointments abound, including a high mass bridge for clarity and sustain, a Pure Tone jack for a reliable signal, and aircraft grade aluminum Hipshot Ultralite