Quick Release Drill Press Vise Allows for quick locking and release of workpiece. Adjustable screw for custom clamping forces. Replaceable jaw is ground flat. Made from FC25 fine grain cast iron. Features include... Jaw Width: 8" Jaw Opening: 8" Jaw Depth: 1-5/8" Height: 4.5" Base Length: 18.5" Base Width: 11-3/8" Weight: 44 lbs