This Snap-on set contains 24 pieces of 12 point deep and shallow SAE flank drive sockets ranging in size from 1/4 to 7/8. The sockets are made of high quality chrome finish and are designed to fit 3/8 drive tools. The set includes a variety of sizes and is perfect for any automotive or mechanical task. Magnet socket holder damaged but still works magnet for the sockets and for the back.