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 3/8 deep 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. The following sizes included: 9mm, 10mm, 11mm, 13mm, 14mm, 15mm, 17mm, and 19mm
