Vise Brands Charles Parker Model 229X Vise Details Manufacturer Charles Parker Model 229X Country of Origin USA Weight 39 pounds Jaw Width 3.25" Jaw Opening 4" 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)