25 piece 3/8" drive 6 and 12 point SAE standard and deep socket wrench tool set. 72-tooth ratchet requires only a 5° swing. Large quick-release button for easy operation. Sockets feature Surface Drive® technology to virtually eliminate fastener rounding. Chrome Vanadium steel. Nickel chrome plated for long lasting protection. Mirror polish finish. Includes 3/8” drive of the following: 7/8" size of 12 point standard SAE socket, 7/8" size of 6 point deep SAE socket, quick release ratchet with polished handle, 3" extension, 6" extension, 1/4" size of 12 point standard SAE socket, 5/16" size of 12 point standard SAE socket, 3/8" size of 12 point standard SAE socket, 7/16" size of 12 point standard SAE socket, and 1/2" size of 12 point standard SAE socket. Includes a plastic carrying case.