Set includes: Cr-v 3/8" drive ratchet handle, 6" extension, 3" extension, metric sockets: 9, 10, 12, 13, 14, 15, 17 & 19 SAE sockets: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 & 3/4 deep metric sockets: 12, 13, 14, 16 & 17 deep SAE sockets: 7/16 ,1/2, 9/16, 5/8, 11/16 & 13/16", spark plug socket and 1 plastic carrying case. Meets ANSI and ASME specifications.