The Grainger 14G990 is a heavy duty industrial grade bench vise that features a 6 inch jaw width capacity, 4 inch jaw opening capacity, and a 360 degree swivel base. It has an anvil working surface and is constructed from high strength cast iron with a powder coat finish. This vise can securely clamp a wide range of workpieces on a workbench or other sturdy surface. With its large jaw capacity and rugged construction, this Grainger bench vise is well-suited for clamping large workpieces in manufacturing facilities, garages, machine shops, and other industrial settings.