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.. Use the profile bit to cut rails and stiles; the coping bit to cope rail ends; rabbet bit to cut out the back of the frame for accommodate glass. Two flute carbide cutters with ball bearing guides. Specification: Profile Bit - 1-1/4" Diameter, 1/2" Cutter Height, 2-3/8" Overall Height, 7/16" Cutter Depth, 1/2" Bearing Coping Bit - 1-3/8" Diameter, 1/2" Cutter Height, 2-3/8" Overall Height, 3/8" Cutter Depth, 5/8" Bearing Rabbet Bit - 1-1/4" Diameter, 1/2" Cutter Height, 2-1/4" Overall Height, 3/8" Cutter Depth, 1/2" Bearing Package Includes: 3 Piece Router Bit