Description Shank diameter 8 mm, cutting height: 25 mm (1'), cutting diameter: 6.35 mm, 7.96 mm, 9.52 mm, 12.7mm (1/4", 5/16", 3/8", 1/2") with bearing at the top end. Double-edged cutting design, excellent concentricity for fast, smooth, and accurate cuts for laminate and template work. Heat-resistant Teflon coating and ball bearing for precise edge trimming of your woods. Carbide cutters and steel shank. Premium YG6 carbide blades for long-lasting performance. Use on CNC and other automatic routers, as well as handheld and tabletop routers. Cuts all composite materials, plywood, hardwood, and softwood.