Power Bit, Application – Tools Impact, Bit Style Torx(R), Fastening Tool Tip Size T40, Shank Style Hex Power Drive, Hex Shank Size 1/4 in, Single End, Fastening Tool Material S2 Steel, Overall Bit Length 2 in, SAE, Finish Magnesium Phosphate, Impact Rated Impact Rated, Power Bit, Package Quantity 2