This item is a Pony 5-inch Heavy-Duty Multi-Purpose Bench Vise. It features a 360-degree swiveling base and head for optimal workpiece positioning. The jaw width is 5 inches with a maximum opening capacity of 3-3/8 inches. It includes a built-in pipe jaw and a ground anvil surface. The vise is constructed from ductile iron castings with plated-steel hardware.