The S-K Tools 1/4” & 3/8” 21 Piece Complete SAE Socket Set with Case #4222 is a high-quality set of hand tools designed for automotive use. Made by the reputable brand SK, this set includes a variety of sockets in both 1/4” and 3/8” drive sizes, with a chrome surface finish for durability. With a focus on standard SAE measurements and both 6 and 12 point drive types, this set is perfect for professional mechanics and automotive enthusiasts alike. Made in the United States, this socket set is essential for any toolbox. The 1/4″ sockets range from 3/16″ to 7/16″, and the 3/8″ sockets range from 1/2″ to 7/8″ in size.