This Wilton® Industrial Drill Press Vise is ideal for industrial applications. V-grooves allow clamping of round objects both vertically and horizontally for excellent versatility. The side groove is ideal for mounting to a machine table. A black oxide coated screw provides consistent clamping pressure and durability. Fine grain cast iron castings and hardened steel jaws add toughness. Precision ground for square and parallel accuracy to +/-.0001 per inch. The center of the base is open for holding work completely through the vise. Bench mount design. Available in 4in. or 6in. jaw width. Limited lifetime warranty.