HART’s (SAE) ½" Drive standard sockets are forged from high-grade Chrome Vanadium Steel (CrV) to withstand the rigors of heavy-duty use. They come chrome plated for maximum rust resistance, and 12 pt. socket design to prevent round-off. In addition, large size markings make finding the right size easier. Standard SAE set includes (11) ½" sockets: 3/8”, 7/16”, ½”, 9/16”, 5/8”, 11/16”, ¾”, 13/16”, 7/8”, 15/16”, 1”.