Vise Brands Lewis (Prentiss) Model 121 Vise Details Manufacturer Lewis (Prentiss) Model 121 Country of Origin USA Weight 33 pounds Jaw Width 3.5" Jaw Opening 5" 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)