This 10 piece 3/8" and 1/2" Drive SAE Hex bit socket set includes (7) 3/8" Dr. Hex bit sockets 1/8" to 3/8", (3) 1/2" Dr. Hex bit sockets 1/2" to 5/8". Heat treated socket bases for durability and serviceability. Chrome sockets. Large hard stamped identifications. Slide socket rail. 2 lbs (1Kg) shipping weight.