Made of chrome vanadium steel with SAE/mm markings. Meets or exceeds ANSI specifications. 1/4 in. and 3/8 in. drive tools. Includes: 1/4 in. drive pear head ratchet, 3/8 in. drive pear head ratchet, (20) 1/4 in. drive 6 point sockets, (20) 1/4 in. drive 6 point deep sockets, (22) 3/8 in. drive 6 point sockets, (7) 3/8 in. drive 6 point deep sockets, 3/8 in. drive 5/8 in. spark plug socket, (2) 1/4 in. drive 3 in. and 6 in. extension bars, 3/8 in. drive 3 in. extension bar, blow molded carry case.