16 piece Impact Screwdriver Bit Set with free 90 degree Drill/Driver Tool. All items are Impact rated.1/4" quick change hex shank3x the life#1, #2, and #3 x 6" Phillips and T15-30 x 3" and 6" torx bits. 1/4" and 3/8" socket adapters included.While most screwdriving bits are simply compatible with impact drills and drivers, IRWIN® Impact Performance Series™ fastener drive bits are engineered for impact tools. These forged bits fit fasteners precisely, so they won't strip, and they're manufactured with heavy-duty, cold-forged, high-grade steel, so they'll withstand extremely high torque output. We ship APO, FPO, International and combine shipping.