Made specifically for Kreg Joinery and exclusive use with the Kreg Jig HD. Features a 1/4-inch hex shank and compatibility with our Quick Change Chuck. Drills an HD 1/2-inch diameter Pocket-Hole. Features: * Hex shank for use with Quick Change Chuck * Also works with standard chucks * 1/2-inch diameter, high-speed steel * One-piece, hardened steel, rugged design * For use with the Kreg Jig HD * Includes stop collar and Allen wrench What"s In The Box: * Kreg KJDHD Hex Shank HD Drill Bit * Stop collar * Allen wrench