SUN5108 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 1" drive 3-3/8" standard 6 point socket is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job. It also 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: -1" Drive Standard 6 Point Impact Socket 3-3/8". Warranty: -Lifetime warranty does not cover abuse.