7-Piece set in plastic pouch1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2. Strict European standard for consistent quality assurance. Precision center point for easypositioning and effortless drilling. Polished double edge flutes produce incredibly accurate and clean holes. Made from HSS/Chrome Vanadium Steel, for 5 to10 times longer service life than carbon steel bits.






