Vise Brands Parkinson Model 3A Vise Details Manufacturer Parkinson Model 3A Country of Origin England Weight 61.5 pounds Jaw Width 4.5" Jaw Opening 5.5" Anvil? No Replaceable Jaws? Yes Pipe Jaws? No Base Type Swivel Swivel Jaw? No Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)