IMPACT READY® drill bit. Product is designed to be used in a 1/4 inch hex shank impact drivers to drill holes from 1/8 to 1/2 inch holes in metal, wood or plastic. Ground from solid 1 piece design is up to 5 times more durable than the current 2 piece conventional product. Patented web taper increases the rigidity of the bit to decrease the potential for bit breakage.