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