Vise Brands Desmond Stephens/Simplex Model 33P Vise Details Manufacturer Desmond Stephens/Simplex Model 33P Country of Origin USA Weight 30 pounds Jaw Width 3.75" Jaw Opening 5.5" Anvil? Replaceable Jaws? Pipe Jaws? No Base Type Stationary Swivel Jaw? No Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)