Power Bit, Application - Tools Impact, Fastening Tool Tip Size 1/4 in, Hex Shank Size 1/4 in, Overall Bit Length 2 in, Bit Style ECX(TM), Shank Style Hex, Fastening Tool Material Carbon Steel, Single End/Double End Single End, Includes (1) #1 ECX bit, (1) #2 ECX bit, SAE or Metric SAE, Impact Rated Yes, Finish Black Oxide, Power Bit, Package Quantity 2