This socket set is made from chrome vanadium steel with a satin chrome finish. It includes a wide range of 1/4″ Sq. Dr., 3/8″ Sq. Dr. and 1/2″ Sq. Dr. 6-point HI-TORQ sockets and deep sockets. The 72-tooth quick release ratchets and spinner handle are equipped with a soft grip handle for comfort. There is an array of socket bits, internal and external sockets and 8mm hex bits. The set includes extension bars, spark plug sockets, universal joints, combinations spanners, hex keys and more. All of these items are supplied inside a sturdy plastic storage case.