Vise Brands Athol/Starrett Model 514-1/2 Vise Details Manufacturer Athol/Starrett Model 514-1/2 Country of Origin USA Weight 57 pounds Jaw Width 4.5" Jaw Opening 5.75" Anvil? No Replaceable Jaws? No Pipe Jaws? No Base Type Stationary Swivel Jaw? No Screw Covered Quick Release? Yes Category Notes Patent Date Images (External Link)