This socket set by Craftsman® features a polished full chrome finish for corrosion resistance and large markings to help you quickly identify the sockets you are looking for. Also, the 6-point socket design allows for increased torque due to a larger contact surface. Sockets meet or exceed ASME specifications. This set includes three 1/4" sockets: T15, T20 and T25, as well as four 3/8" sockets: T30, T40, T45 and T50. This product is backed by the Craftsman® full lifetime warranty.