Vise Brands Howard Iron Works Model 1 Vise Details Manufacturer Howard Iron Works Model 1 Country of Origin USA Weight 32 pounds Jaw Width 3.5" Jaw Opening " Anvil? No Replaceable Jaws? Pipe Jaws? No Base Type Stationary Swivel Jaw? No Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)