Wilton — 675U Utility Vise 5-1/2” Jaw with Swivel BaseUtility Bench Vise 5 1 2 Jaw Width, 5" Jaw Opening, 360 Swivel Base Wiltons Utility and Utility HD Bench Vises feature a 30,000 PSI gray cast iron body and movable jaw with a 60,000 PSI ductile iron base. They also include a large anvil, built in pipe jaws and a 360 degree locking swivel base. The dual lock downs and 4 mounting posts ensure maximum stability while in use. 360 swivel base Built in pipe jaws handle a range of pipe sizes Dual lockdowns