Ultra-durable, commercial-grade, precision-tooled sockets feature black-oxide-finished alloy-steel construction. Permanently etched size stamps enable easy tool selection. Handy socket-storage bar with slideable clips helps you stay organized. Includes seven 1/2″-drive hex-bit sockets: 1/4″, 5/16″, 3/8″, 7/16″, 1/2″, 9/16″ and 5/8″ as well as one socket-storage bar.