The Realist Copperhead Mandolin Pickup, 2 Foot BridgeThe Realist Copperhead Mandolin Pickup, 2 Foot Bridge Transducer for mandolin, black wrapped copper element, 1 4 clamp on carpenter input jack. Very transparent sound color and texture with unmatched dynamic response. Will sound more like the instrument than any other pickup on the market. Fits standard mandolin bridges and can be custom made to fit non standard bridges. Simple installation. No change to the instrument required. Key Features