52 piece 3/8" drive SAE/metric standard and deep socket wrench tool set. 6 point drive and 12 point drive. 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, 19 mm size of 6 point deep metric socket, Quick Release ratchet with a polished handle, 3” extension, 6” extension, 5/8” spark plug socket, 1/4" size of 12 point standard SAE socket, 5/16" size of 12 point standard SAE socket, and 3/8” size of 12 point standard SAE socket. With plastic carrying case.