Vise Brands Stephens Model 3 Vise Details Manufacturer Stephens Model 3 Country of Origin USA Weight 12 pounds Jaw Width 2.5" Jaw Opening 3" Anvil? No Replaceable Jaws? No Pipe Jaws? No Base Type Stationary Swivel Jaw? No Screw Covered Quick Release? Yes Category Machinists Notes Patent Date Images (External Link)