T15 Driver Bits, Application - Tools Impact, Fastening Tool Tip Size T15, Hex Shank Size 1/4 in, Overall Bit Length 2 in, Bit Style Torx(R), Shank Style Hex, Fastening Tool Material Alloy Steel, Single End/Double End Single End, Includes (5) 2 in Power Bit T15, SAE or Metric SAE, Impact Rated Yes, Finish Unfinished, Power Bit