IEN1880 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 * The design drives the side of the fastener instead of the corner * Provides increased strength, but also avoids rounding of rusted or damaged fasteners * Fully guaranteedNo doubt, Sunex tools offer one of the most complete and toughest Impact Socket lines around. This 3/8" drive 16mm 6 point deep universal 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. Dimensions: * 3/8"" Drive 6 Point Deep Universal Impact Socket 16mm Warranty: * Lifetime warranty does not cover abuse