Vise Brands Charles Parker Model 371 Vise Details Manufacturer Charles Parker Model 371 Country of Origin USA Weight 39 pounds Jaw Width 3.75" Jaw Opening 5" Anvil? No Replaceable Jaws? No Pipe Jaws? No Base Type Stationary Swivel Jaw? Yes Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)