Vise Brands Stephens Model 23 Vise Details Manufacturer Stephens Model 23 Country of Origin USA Weight 14 pounds Jaw Width 2.5" Jaw Opening 3" Anvil? Yes Replaceable Jaws? No Pipe Jaws? No Base Type Swivel Swivel Jaw? No Screw Covered Quick Release? Yes Category Machinists Notes Patent Date Images (External Link)