For hooks #28 to 4/0 This highly versatile vise is a unique offering in our product line. The Presentation 2000 features a hinged vise head, an optional rotary ratchet actuator, the patented Renzetti adjustable jaw hinge, and the patented cam jaw. Like all our vises the pleasing proportions and design elements of its components are the epitome of engineering elegance. Similar to the Master and Presentation 3000, the Presentation 2000 is compatible with those tyers who are ambidextrous.