Vise Brands Charles Parker Model 89 1/2 Vise Details Manufacturer Charles Parker Model 89 1/2 Country of Origin USA Weight 141 pounds Jaw Width 5.375" Jaw Opening " Anvil? No Replaceable Jaws? Yes Pipe Jaws? Yes Base Type Swivel Swivel Jaw? No Screw Covered Quick Release? No Category Combination Notes Patent Date Images (External Link)