43 piece 1/2″ drive socket set designed by stanley comes along with following features and benefits 15pc: 1/2″ dr 12pt sockets: inch – 3/16″, 7/16″, 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″ 20pc: 1/2″ dr 12pt sockets: metric – 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 30, 32mm 8pc: 1/2″ dr accessories: 2spark plug 6pt socket: 5/8″ & 13/16″ 3 extension bar – 3″, 5″ & 10″, 1 universal joint, 1 flex handle – 375mm, 1 “full polish” quick release ratchet