Vise Brands Bison Bial (FPU) Model 1256-63 Vise Details Manufacturer Bison Bial (FPU) Model 1256-63 Country of Origin Poland Weight 11 pounds Jaw Width 2.5" Jaw Opening 2.5" Anvil? Yes Replaceable Jaws? Yes Pipe Jaws? No Base Type Clamp Swivel Jaw? No Screw Covered Quick Release? No Category Machinists Notes Patent Date Images (External Link)