Vise Brands Columbian Model 302 1/2 Vise Details Manufacturer Columbian Model 302 1/2 Country of Origin USA Weight 17 pounds Jaw Width 2.5" Jaw Opening 3" Anvil? No Replaceable Jaws? Pipe Jaws? No Base Type Stationary Swivel Jaw? Yes Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)