2-in-1 design features both 7/8-inch and 11/16-inch 12-point socket heads Engineered for use with impact drivers and wrenches High-torque, black phosphate finish enhances durability and corrosion resistance Detent holes and grooves offer secure retention and compatibility with standard adapters Convenient 2-in-1 functionality saves time and reduces the number of tools needed Designed to handle heavy-duty fastening applications on utility and construction jobs 12-point geometry ensures consistent grip on fasteners Built for long-term use in demanding environments Availability:Usually Ships in 2-3 Days