Same as found on Les Paul® and many other production instruments. Jack plates are 1-11/32" square, with mounting holes on 1" centers. The metal jack plates have a slight curve or bend to conform to a Les Paul's rounded sides, the plastic jack plates are flexible and will conform to flat or curved surfaces. The hole for the jack is 3/8" diameter.
The metal jack plates include mounting screws, the plastic jack plates require 4 of our #4387 Gibson style pickguard screws.