The Porter-Cable standard router edge guide provides controlled cuts for consistent results. It uses the straight edge of the workpiece to guide the router for edge cuts, as well as inside cuts. This edge guide is easy to set-up and adjust with simple thumbscrew clamps. It fits Porter-Cable routers, models 100, 150, 350, 630, 670, 690, 693 and 691 (with Type 1 or 2 base). Made with all metal construction.