Measures 91/4" x 113/4" (235mm x 298mm)3/8" thick (9mm) phenolic insert plateComes without any predrilled mounting holesAlignment marks make it easy to center and mount on almost any routerLevel-Loc Reducing RingsAvailable in 3 versions: undrilled, pre-drilled for Triton, and pre-drilled for Porter-Cable and Bosch