Lucas X-Tra Heavy-Duty Cordless Power Aluminum Grease Gun Kit Working pressure 4,000 PSI, maximum pressure 8,000 PSI Lightweight rust free anodized aluminum barrel Includes heavy duty 18 inch anti-kinking nylon hose and coupler Power operated, works with most cordless drills Has a variable stroke and bleeder valve Ideal applications for Automotive, Agricultural, Marine, Trailers and Industrial