SOC 1-1/2 1/2D IMP 6PTFeatures 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 - 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 1/2" drive 1-1/2" standard 6 point 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.