Features and Benefits: * Forged from the finest chrome molybdenum alloy steel – the best choice for strength and durability * Radius corner design - to extend the life of fasteners * Included in a heavy molded storage tray * Fully guaranteed No doubt, Sunex tools offer one of the most complete and toughest Impact Socket lines around. This standard 3/8" drive, 6 point 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. Includes the following sizes: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16" and 1"