Pony 3-Inch (75mm) Light Duty Clamp On Vise is designed for light-duty home, shop, and professional use. It is fully portable yet mounts easily and securely on edges up to 2 inches (50mm) thick. 3-inch jaw width, 2-1/2 inch (63,5mm) opening capacity, plated steel screw and handle steel double guide bars allow smooth operation, orange baked enamel finish prevents rusting, cast pipe jaws hold a round pipe. Pony Tools was established in 1903.