48-32-4565 PH1 Driver Bits, Application - Tools Impact, Fastening Tool Tip Size PH 1, Hex Shank Size 1/4 in, Overall Bit Length 3 1/2 in, Bit Style Phillips, Shank Style Hex, Fastening Tool Material Alloy Steel, Single End/Double End Single End, Includes (5) 3 1/2 in Power Bit PH1, SAE or Metric SAE, Impact Rated Yes, Finish Unfinished, Power Bit