Lucas King Kong Variable Pressure Aluminum Grease Gun Working pressure high-8,000 PSI, low-1000 PSI, max pressure high-10,000 PSI, low-2,000 PSI Lightweight rust free anodized aluminum barrel and aluminum die-cast head and T handle Variable pressure and volume and air pocket release valve Uses standard 14 ounce cartridge Ideal applications for Automotive, Agricultural, Marine, Trailers and Industrial