If you are looking for a screwdriver bit set to use with your impact driver, the Dewalt DWAX101IR 31 pc. Impact Driver Screwdriver Bit Set is the perfect choice. It provides a comprehensive range of bits that can tackle various fasteners. This screwdriver bit set comes with a black oxide finish and hex shank size of 1/4 in., so it is compatible with your Dewalt impact driver. It has a total of 31 pieces, which include 6 pt. standard bits and 6 pt. deep bit points. The hex shank allows you to work with socket adapters and extenders for added versatility. If you own an impact driver, then this Dewalt DWAX101IR 31 pc. Impact Driver Screwdriver Bit Set will make an excellent addition to your tool collection.