The GEARWRENCH 3/4" and 1" Drive Impact Accessories are manufactured from chrome molybdenum alloy steel for strength and have a manganese phosphate finish for corrosion resistance. The new accessories include two impact universal joints, three extensions and two adapters. Each product features a pin hole for Pin and O-ring tool retention and a through-hole on square drive ends. All of these accessories meet or exceed ASME B107.2 requirements.