Superior Electric J016 Mini (1/32 Inch - 5/16 Inch) Keyless Drill Chuck with 1/4 Inch Hex Shank Adapter
Superior Electric J016 Mini (0.5 to 8 mm) Keyless Drill Chuck with 1/4" Hex Shank Adapter. Use this chuck to convert any cordless screwdriver that has a 1/4 " hex drive into a drill or grinder.