Everything you need to fit a Bigsby True Vibrato to your Arch Top Solid Body Style Guitar. The Bigsby B7 fits the Les Paul and Silver Jet and other similar Models. Also fits archtop hollowbody guitars. Kit includes: Bigsby Tailpiece, screws, tension spring, plastic washer, alignment string, and installation Instructions.Los Angeles. Late 1940s. A love of motorcycles brings together genius engineer Paul Bigsby and music legend Merle Travis. Their friendship inspired Paul to create the first Bigsby True Vibrato Tailpiece. He went on to design a series of Vibratos that rocked the music world. Still the original. Hand Crafted. Sand Cast. Hand Polished. The same way Paul did.