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. CNC compatible. 1/4" shank with 3/8" cutting diameter and extra long 2" blade flush trim router bit. Specification: Shank diameter: 1/4" Cutter length: 2" Overall length: 3.326" Package Includes: 1 Piece Router Bit