Swivel base rotates 360 and has double lockdowns ensuring maximum stability powder coat paint resists scratches and provides a tough durable finish replaceable hardened steel top and pipe jaws large anvil work surface heavy-duty 30,000 psi iron casting built for rugged use and extended life 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 and you know you’ll never want for another vise, unless it’s a wilton.