No doubt, Sunex tools offer one of the most complete and toughest impact socket lines around. This 3/8 inch drive impact socket set is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job. Also each socket features a radius corner design, causing the socket to grab the sturdy wall of the fastener instead of grabbing the corners, resulting in less wear on the fastener. Features: * Forged from the finest chrome molybdenum alloy steel, the best choice for strength and durability * Radius corner design to extend the life of fasteners * Packaged in a heavy-duty blow molded case What"s In The Box: * Standard sockets: 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in., 15/16 in., and 1 in. * Deep sockets: 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in., 15/16 in., and 1 in. * Universal joint * Storage case