Milwaukee® Impact Drill, Series: SHOCKWAVE™, 1/4 in Dia, 3 in Overall Length, 4 in Cutting Depth, Parabolic/Spiral Flute, 1/4 in Shank, Hex Shank, 135 deg Point, Split Point, Right Hand Cutting, Steel Cutting Edge, Steel, Black Oxide, Applicable Materials: Metal, Plastic and Wood