A gold-finished Bigsby B7 vibrato from the Original Kalamazoo line, the model Bigsby make for arch-top electric guitars. It hinges off the end of the body and sits on the arched top with a tension bar in front of the bridge, which is why it suits ES-335 and Les Paul style guitars rather than flat-top solid bodies. Die-cast aluminium, about 354 g, 222 mm long and 92 mm wide. The arm adjusts with a 1/8 inch Allen key and a 5/16 inch socket. Model B7G.