171 piece Metric and SAE 1/4", 3/8" & 1/2" Drive. Quick release ratchets, full polish combination ring and open end wrenches. Professional quality tools for general automotive repair & maintenance. Complete assortment of automotive and general purpose tools and accessories arranged in a heavy duty storage case. Dyna drive torque system, 6 and 12 point standard and deep sockets, all wrenches & sockets stamped.