The Wilton Shop Bench Vise has heavy-duty castings with a 30,000 PSI ductile iron body built for rugged use and extended life. Has the capability of handling pipe as well as mounting to the bench with 3 mounting posts, providing more stability and a secure hold. 360° swivel base vises Perfect Steerable Transfer Cartlude 2 lockdowns to secure your work position when utilizing the swivel.