Vise Brands Athol/Starrett Model 524 1/2 Vise Details Manufacturer Athol/Starrett Model 524 1/2 Country of Origin USA Weight 40 pounds Jaw Width 5" Jaw Opening " Anvil? Yes Replaceable Jaws? Yes Pipe Jaws? Yes Base Type Swivel Swivel Jaw? No Screw Covered Quick Release? No Category Workshop Notes Patent Date Images (External Link)