The uyoyous 6 inch Bench Vice is constructed from heavy duty 30,000 PSI cast iron, durability ,longevity and dependability are built in.6-Inch Swivel Bench Vise securely holds any workpiece while you thread, fasten, build, bend, shape, or sharpen it.Whether you are working with wood or metal, the Instant Acton vise screw opens and closely quickly, and the bench vise base swivels 360 degrees to give you the best work angle It is ideal for providing maximum clamping and holding power.