WEN 423DPV 3-Inch Cast Iron Drill Press Vise Grip woods, metals, plastics and more Cast iron construction provides stability to drilling operations 3-inch jaws open up to 3-1/10 inches with a 1-inch throat depth Includes four onboard mounting slots to securely fasten the vise to a drill press table Universal design compatible with the majority of drill presses on the market (see images for base dimensions)