5-PIECE SET - Set includes a 3-inch extension, 17 x 19mm and 7/8 x 15/16-inch regular sockets and 19 x 21mm and 3/4 x 13/16-inch thin-wall sockets

DOUBLE ENDED - Unique double ended design gives you two sockets' worth of use out of each 1/2-inch drive socket

DURABLE STEEL - Sockets are made from durable chromoly steel that can withstand high-torque applications

CORROSION RESISTANT - Sockets and extension are coated with a rust and corrosion resistant black oxide protective finish

LASER ETCHED CALLOUTS - Size information is permanently laser etched onto the sockets' and extension's surfaces

6-POINT SOCKET - 6-Point socket design grips the sides of fasteners reducing the chance of wear and rounding

STEEL STORAGE BOX - Set comes with a red powder-coated steel storage box for easy storage and organization

EXCEEDS STANDARDS - Designed and constructed to meet or exceed 150% proof of torque ASME tool performance standards