Powerbuilt 648942 Standard Grease Gun Uses standard 14 oz. cartridges 6000 PSI working pressure. Includes 6-in extension pipe and grease coupler Heavy duty steel construction with painted finish Standard lever grease gun with painted body Working pressure is 6000 pounds per square inch Includes 6 inch Steel Extension and Coupler Uses standard 14 ounce cartridges or hand grease pack