Insert Bit, Application - Tools Impact, Fastening Tool Tip Size TX20, Hex Shank Size 1/4 in, Overall Bit Length 2 in, Bit Style Torx(R), Shank Style Hex, Fastening Tool Material S2 Steel, Single End/Double End Single End, SAE or Metric SAE, Impact Rated Yes, Finish Black Oxide, Insert Bit, Package Quantity 10