Description: Using for hand-making a drawer or other woodworking Industrial Quality Router Bits Solid Hardened Steel Bodies with Anti-Kickback Design Build-up & Heat Resistant Teflon Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Industrial grade micro grain carbide blade Specification: Material: Body: Solid Hardened Steel Blade: Industrial grade micro grain carbide Shank Diameter:1/2" Max Rotating Speed: 12000 Processing range (frame plate thickness 19.05-25.4mm) the best selection of about 22mm. The maximum processing width 25.4mm; minimum processing 19.05mm. Package Includes: 3Pcs/ SetRail Stile Ogee Blade Cutter