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 Fully guaranteedNo doubt Sunex tools offer one of the most complete and toughest Impact Socket lines around, This 1/2"" drive spindle nut socket is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job, Also it 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, SKU: DOBA14008