ITEM NAME:2 x Wood Door Router Bits - 1-3/8 inch H Triple Bead 1/2 inch Shank Woodworking Description: : Industrial grade micro grain car.Coating: Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Cutter: CNC ground to a 600 grit, mirror-like finish. Cutter Height: approx. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.