These seals are a very robust style of packing used in the toughest industries. The robust packing is a V-packing design with much taller and robust sealing rings generally used on equipment that has a deep stuffing box. This packing can handle the heavy axial loads that are found in the forging, extrusion, and steel industries. They can be supplied in different materials and can be supplied split with no size limit or endless up to 106″ in diameter.