This socket set is made from chrome vanadium steel with a satin chrome finish. It includes a wide range of 1/2″ Sq. Dr. 6-point HI-TORQ sockets in sizes 8-32mm. The 72-tooth quick release ratchet is equipped with a soft grip handle for comfort. The set includes extension bars (125, 250mm), spark plug sockets (16, 21mm), universal joint and 3-way adaptor. All of these items are supplied inside a sturdy plastic storage case.