The Grainger 14F062 is a Westward brand 1/4-inch drive socket set. It contains 15 SAE sockets ranging from 4mm to 14mm and 15 metric sockets ranging from 5/32 inch to 9/16 inch. The chrome vanadium sockets have a knurled design for oil and slip resistance. The set comes organized in a molded case for storage and portability. This 30 piece socket set is ideal for automotive and machinery applications that require standard and metric sized sockets.