Description: Made with industrial micrograin carbide, provides increased strength and utmost resistance, for multiple use, smooth and detailed finish. Fits for professional electric drill, bench drill. Rpm close to 800-1000, while adding water for cooling is an advantage. Suit to rout out density board, hardwood, MDF, particle board, plywood, etc.. Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Two flute carbide cutters Specification: Shank Diameter: 1/2" Max. Cutter Diameter: 1-3/4" Total Length: 2-11/16" Package Includes: 1Piece Router Bits