DOUBLE ENDED - Unique double ended and thin-walled design gives you two sockets' worth of use out of a single toolSIZE - 1/2-Inch drive socket features two ends, one for 21mm fasteners and one for 21.5mm fastenersDURABLE STEEL - Socket is made from durable chromoly steel that can withstand high-torque applicationsCORROSION RESISTANT - Socket is coated with a rust and corrosion resistant black phosphate protective finishLASER ETCHED CALLOUTS - Size information is permanently laser etched onto the socket's surface6-POINT SOCKET - 6-Point socket grips the sides of fasteners reducing the chance of wear or roundingEXCEEDS STANDARDS - Designed and constructed to meet or exceed 150% proof of torque ASME tool performance standards
