This Wilton® Drill Press Vise with Rapid Acting Nut is designed with a ground vise bed for smooth, consistent jaw movement and a rapid acting nut for quick adjustments. The rugged vise is made from high-grade cast iron and hardened V-groove jaws for exceptional durability and reliable performance. Large workload capacity. Available in 4 1/2in. or 6in. jaw width. Limited lifetime warranty.