"High strength alloy","New, high visibility laser marking helps technicians identify sockets quicker","Opti-Torque - applies torque to fastener sides, not corners - allowing more torque to be applied to fastener","Includes sizes: 1/2\", 9/16\", 5/8\", 11/16\", 3/4\", 13/16\", 7/8\", 15/16\", 1\", 1-1/16\", 1-1/8\", 1-3/16\", 1-1/4\"","Packaged on a nylon rail 1/2" DRIVE 13 PIECE SAE 6 POINT IMPACT SOCKET SET SCP136TA | Matco Tools