SENCO® Power Screwdriver Bit, System of Measurement: Imperial, #2 Point, Phillips® Point, 7-1/2 in Overall Length, Hex Shank, 1/4 in Shank, Single End, S2 Steel, Finish: Uncoated, Impact Not Rated, For Use With: DuraSpin® DS230 Series, DS312-18V and DS332-AC Auto-Feed Screw System