"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, Jaw Capacity in. 4 1/2, Jaw Length in. 3 1/2, Material Cast iron, Mount Type Stationary. Made from high grade cast iron Hardened top V-groove jaws Rugged design and large workload capacity 3 1/2in. jaw width"