[ 3/8″ DRIVE SAE HEX SOCKETS ] 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 5/16″, 3/8″. [ TOTAL TOOL ORGANIZATION ] Supplied in a unique tool tray which features a removable lid and dove tail joints. [ INSTANT IDENTIFICATION ] The sockets feature roll stamped markings to ensure permanent and instant socket identification.