Constructed of clear polycarbonate, this high-strength router sub-base fits Milwaukee router (model 5625-20). The industry standard 1-3/16 in. center hole pattern accepts Milwaukee as well as other lock-nut style template guides for pattern routing. With an industry standard diameter (7 in.), bolt design and bolt-hole pattern, the sub-base is quickly installed on Milwaukee as well as other popular production routers. Includes one sub-base.