Insert Bit, Application - Tools Power, Bit Style Torx(R), Fastening Tool Tip Size T25, Shank Style Hex, Hex Shank Size 1/4 In., Single End, Fastening Tool Material S2 Steel, Overall Bit Length 1 In., SAE, Metric, Finish Unfinished, Impact Rated No, For Use With Standard Driver, Screwdriver, Package Quantity 10