Wilton 21800 748A 8-Inch Jaw Width by 8-1/4-Inch Opening Mechanics Vise
This vise is best for professional mechanics.  The heavy duty 30,000 PSI castings add strength and a longer life.  The swivel bar rotates 360 degrees and has double lockdowns to ensure maximum stability.  The powder coat paint resists scratches and provides a tough, durable finish.  The pipe jaws and hardened steel top are replaceable.