Milwaukee® Aircraft Length Drill, 1/4 in Dia, 12 in Overall Length, 2-3/4 in Cutting Depth, Parabolic Flute, 2-3/4 in Flute Length, 1/4 in Shank, 3-Flat Shank, 135 deg Point, Split Point, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Metal, Plastic and Wood