This socket and bit set is made from chrome vanadium steel with a satin chrome finish. It includes a wide range of 3/8″ Sq. Dr. 6-point HI-TORQ sockets in sizes 6-22mm. The 72-tooth quick release ratchet and 1/4″ Sq. Dr. spinner handle are equipped with a soft grip handle for comfort. There is an array of hex bits made from chrome vanadium steel with a shot blasted finish. Additionally, the set includes extension bars (75, 150mm), spark plug sockets (16, 21mm), universal joint and drive adaptors. All of these items are supplied inside a sturdy plastic storage case.