The IRWIN Impact Performance Series Drill/Drive Installation Sleeve makes drilling easier, with one simple-to-use tool. The sleeve slides over and egages withthe hex collar on a bit to quickly drive hex or Phillips head fasteners, and is compatbile with all IRWIN Impact performance Series Tapcon Installation Bits as well as most standard SDS Hex Drive Bits. The installation system is manufactured of heavy-duty, cold-forged steel to withstand high torque output, and the black oxide finish resists corrosion and increases the life of the sleeve.