ITEM NAME:2PCS 1/2" Shank Bead&Triple Router Bit Cutters for Woodworking Cutter Tools Description: Blade: Industrial grade micro grain car.Cutter: CNC ground to a 600 grit, mirror-like finish. Cutter Height: approx. Cutter Length:21/64" and 3/8". Coating: Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.