Power Bit, Application – Tools Impact, Bit Style Square Recess, Fastening Tool Tip Size #3, Shank Style Hex, Hex Shank Size 1/4 in, Single End, Fastening Tool Material S2 Steel, Overall Bit Length 3 1/2 in, SAE, Finish Black Phosphate, Impact Rated Impact Rated, Power Bit, Package Quantity 25