Vise Brands Charles Parker Model 279 1/2X Vise Details Manufacturer Charles Parker Model 279 1/2X Country of Origin USA Weight 228 pounds Jaw Width 7" Jaw Opening 10.5" Anvil? No Replaceable Jaws? Yes Pipe Jaws? No Base Type Swivel Swivel Jaw? No Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)