Traditional jack plate found on and compatible with Les Paul and many others. The right size, shape, and color for replacing or upgrading existing hardware, or for custom builds. Measurements: 1-11/32" (34.13mm) square Mounting holes on 1" (25.4mm) centers Jack hole diameter is 3/8" (9.52mm) Chrome-plated brass plate has a slight curve or bend to conform to the rounded sides of a Les Paul and includes four (4) matching mounting screws.