This phenolic insert plate measures 229 x 305mm and is designed to fit the UJK cast iron, phenolic or MDF router table tops. At 10mm thick, it offers a very substantial mounting for your router and comes supplied with a removable central insert with a 38mm central hole. Various inserts are available, including one that will accept a standard threaded guide bush for template routing. The insert will accommodate most portable routers and should be drilled to individual requirements.