Wilton Mechanics Vises have a heavy-duty 30,000 PSI iron casting built for rugged use and extended life. Lifetime lubrication means the grease is permanently sealed in for trouble-free service. This vise features a 360° swivel, four mounting posts and double lockdowns to ensure maximum stability. Top these industry-leading features off with a lifetime warranty and you know you'll never want for another vise, unless it's a Wilton.