ITEM NAME:Radius Convex Column/Face Molding Router Bit 1/2-Inch Shank Woodworking Tool Description: Solid Hardened Steel Bodies with Anti-Kickback Design Industrial grade micro grain car.Cutter CNC ground to a 600 grit, mirror-like finish. Shank Length: approx. Coating Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Solid Hardened Steel Bodies with Anti-Kickback Design.