Ground from solid 1-piece design is up to 5 times more durable than the current 2-piece conventional product. Web taper increases the rigidity of the bit to decrease the potential for bit breakage. Pilot Point tip (3/16" to 1/2") allows users to drill holes faster than the conventional split point product and offers clean burr-free holes with reduced bit walking. High speed steel with black oxide finish. 1/4" hex shank.