High Speed Steel Fractional Self Starting, 1 8 in to 1 2 in, 13 Steps no checkout American hickory handle reduces shock Double face American hickory handle reduces shock Double face forged steel hammer head for maximum durability Wedge ring connection for trusted head retention Used for heavy hammering preventing seizure and corrosion Assures protection against rust Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel plastic and laminates