The B5, sometimes called the Bigsby "horseshoe," is designed for flat top solid body guitars. Attaching via four screws to a guitar's top, the B5 is extremely versatile. B5s are common in many guitar styles, including SGs, Les Paul JRs, Telecasters, and Rickenbacker 325s. Series: Original Kalamazoo Line, Manufacturing Method: Cast, Manufacturing Material: Aluminum. Weight: 287 Grams. Overall Length: 4.75"/120.65mm, Overall Width: 3.7"/93.98mm. Designed for use on thin hollow body and semi-hollow body guitars.