Insert Bit, Application – Tools Power, Bit Style Square Recess, Fastening Tool Tip Size #1, Shank Style Hex, Hex Shank Size 1/4 in, Single End, Fastening Tool Material S2 Steel, Overall Bit Length 1 in, SAE, Finish Zinc Phosphate, Impact Rated Not Impact Rated, For Use With Drill/Driver, Impact Driver, Insert Bit, Package Quantity 2