Vise Brands Athol/Starrett Model 513 Vise Details Manufacturer Athol/Starrett Model 513 Country of Origin USA Weight 22.5 pounds Jaw Width 3" Jaw Opening 4.25" Anvil? No Replaceable Jaws? No Pipe Jaws? No Base Type Stationary Swivel Jaw? No Screw Covered Quick Release? Yes Category Machinists Notes Patent Date Images (External Link)