1/2″ IMPACT SOCKET SET: This 1/2” drive socket set includes: 42pcs deep&shollow Sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 30, 32mm; 3″ 6″ 10″ extension bar; 1/2″ drive impact universal joint; 3/8”F – 1/2”M socket adapter; 1/4”F – 1/2”M drill socket adapter.