This unit is great for general purpose service or maintenance work. Holds pipes fittings machined parts fabrications and components. Wider jaws provide for a greater clamping surface. A fully enclosed spindle and nut increases the life of this vise. This vise has a 360 degree swivel base with double lockdowns a precision turned sidebar and is made from 60 000 PSI tensile ductile iron. Features 60 000 PSI ductile iron casting Wider jaws for increased clamping surface Fully enclosed spindle and nut for greater life Large anvil surface Replaceable jaws 360 degrees swivel base with double lockdowns Jaw width - 5.5 inches Jaw opening - 5 inches Throat depth - 3.75 inches Pipe jaw capacity - 0.25 to 3 inches