Vise Brands Lewis (Prentiss) Model 41 Vise Details Manufacturer Lewis (Prentiss) Model 41 Country of Origin USA Weight 60 pounds Jaw Width 4.5" Jaw Opening 7" Anvil? No Replaceable Jaws? No Pipe Jaws? No Base Type Stationary Swivel Jaw? No Screw Semi Quick Release? No Category Machinists Notes Patent Date Images (External Link)