ITEM NAME:Triple Bead & Flute Furniture Molding Router Bit Set - 1/2" Shank Description: - Blade: Industrial grade micro grain car.Cutter: CNC ground to a 600 grit, mirror-like finish. - Shank Length: approx. - Solid Hardened Steel Bodies with Anti-Kickback Design,Build-up & Heat Resistant Coating. - Material: Hardened Alloy. - Coating: Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch.