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 and deep sockets. The 72-tooth quick release ratchet is equipped with a soft grip handle for comfort. There is an array of socket bits made from chrome vanadium steel with a shot blasted finish. Additionally, the set includes extension bars (75, 250mm), spark plug sockets (16, 21mm), a 1/2"" Sq. Dr. (F) to 3/8"" Sq. Dr. (M) 3-way adaptor and universal joint. All of these items are supplied inside a sturdy plastic storage case.