Each model has a cast aluminum frame and stainless steel arm.
Install a Bigsby B7 on your Les Paul without drilling! The Vibramate V7-LP Adapter uses your guitar's stop tailpiece bushings for easy, secure Bigsby installation with just a screwdriver. It works with U.S. or metric stop tailpiece bushings that have standard 3-1/4" (82.55mm) non-staggered spacing, and fits carved-top Les Pauls. A brillliant solution! SAVE when you order your Bigsby with a Vibramate to fit your Les Paul!
Bigsby model B7: With string tension bar, for thin (1-1/2" to 2-1/4") archtops, or for carved-top solidbodies including Les Pauls. Mounts with six supplied screws; two attach to the guitar top.
Upper mounting screw spread: 1-5/16" Lower mounting screw spread: 15/16" Strap button slot: 1/2" x 5/8" Center of hinge to string tension bar: 7"