I am selling a Bigsby B7 mounting kit for Les Paul guitars. These are difficult to find at a low price recently. I opened the package once and tried to install it, but I ended up buying a different color, so I'm selling this one at a low price. [Product Description] This allows you to easily install a Bigsby vibrato unit without drilling any new holes in the guitar body, as it utilizes the holes for the tailpiece bolts. It can be installed on most Les Paul type guitars equipped with a Tune-O-Matic type bridge & tailpiece. Both inch size (5/16) and millimeter size (M8) base mount screws are included, so it supports both screw sizes.