The STEELMAN 301150 1/2-Inch Drive Impact Flip Socket, 3/4-Inch x 13/16-Inch was designed to save you time. This dual-ended, 6-point SAE flip impact socket allows you to work on both 3/4-inch and 13/16-inch lug nuts or fasteners without having to constantly switch sockets. It’s constructed of hardened chromoly steel to withstand high-torque applications. Fitting easily over an impact extension or onto an impact wrench's extended anvil this socket's recessed edges provide the most accurate fit possible, gripping fasteners by the sides and not the edges which results in reduced slippage and rounding/fastener damage. Whether you’re a professional mechanic or just love to work on your own cars and vehicles, this flip impact socket is a must for working efficiently!