SU308MD 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. Generic Dimensions: -Fully guaranteedNo doubt, Sunex tools offer one of the most complete and toughest Impact Socket lines around. This 3/8" drive 8mm 6 point deep 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.. -3/8'' Drive 6 Point Deep Impact Socket 8mm. Dimensions: Overall Height - Top to Bottom: -0.5 Inches. Overall Width - Side to Side: -0.6 Inches. Overall Product Weight: -0.2 Pounds.