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