GEARWRENCH sockets are manufactured from alloy steel for maximum durability and strength. Our off corner loading design reduces fastener rounding and the chamfered opening help guide the socket on to fasteners. The 8 piece 1/2" Drive 6 Point SAE Deep Length Socket Set includes sizes: 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", and 15/16".