A professional quality TWELVE piece set of shallow SAE sockets with 3/8″ drive. Manufactured by US.PRO Tools (formerly known as Bergen Tools), one of the more respected hand tool manufacturers on the market. Forged from hardened Chrome Vanadium Steel (CR-V) for added durability and longevity. All sockets are 12 point (Bi Hex) have the sizes laser etched on the side for easy identification. SAE sizes: 1/4″, 5/16″, 11/32″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″, 13/16″ and 7/8″. Supplied on a handy rail for neat storage and easy transportation.