Universal Size Router Bit: 1/4-Inch Shank Raised Panel Cabinet Door Router Bit Set. Create rail and stile cabinet door frames. This router bit set with classic design, is a good helper for you to make cabinets and doors. Premium Carbide Cutters: These router bits made of YG6 carbide alloy and 45# carbon for a sharper & longer lasting edge. The Solid hardened steel bodies with Anti-Kickback Design. Applicable Materials: This panel router bit set is truly versatile for your extra convenience. Working great with all kinds of materials and surfaces, like woods, mdf, particle boards, plywood, panels, softwood, hardwood and many others. Please avoid to cut ferrous metal and non wood materials, such as steel, iron and sand. Package Contents: 1 piece 1/4-Inch shank tongue router bit, 1 piece 1/4-Inch shank groove router bit and 1 piece 1/4-Inch shank raised panel router bit. SPECIFICATIONS: Color: Yellow Weight: appro. 420g Router bit cutter material: YG6 Solid Hardened Steel Router bit body