"This Wilton Drill Press Vise with Rapid Acting Nut features a ground vise bed, delivering a smooth, consistent jaw movement. Durable vise is reliable and made to last. Handles qty. 1, Mount Type Stationary, Jaw Length in. 6, Material Cast iron, Jaw Capacity in. 6 3/4. Made from high grade cast iron Hardened top V-groove jaws Rugged design and large workload capacity 6in. jaw width"