48-32-4135 Insert Bit, Application - Tools Impact, Fastening Tool Tip Size T20, Hex Shank Size 1/4 in, Overall Bit Length 1 in, Bit Style Torx(R), Shank Style Hex, Fastening Tool Material S2 Steel, Single End/Double End Single End, Includes (25) T20 Insert Bits, SAE or Metric SAE, Impact Rated Yes, Finish Black Phosphate, Insert Bit, Package Quantity 25