Vise Brands Yost Model 250 Vise Details Manufacturer Yost Model 250 Country of Origin USA Weight 4 pounds Jaw Width 2.5" Jaw Opening 2.25" Anvil? Yes Replaceable Jaws? Yes Pipe Jaws? No Base Type Clamp Swivel Jaw? No Screw Quick Release? Category Clamp Notes Patent Date Images (External Link)