Air grease gun, uses standard 14 oz grease cartridge, bulk or dispenser filling, delivers 4500 psi to 6000 psi at the tip, knurled thick wall barrel for secure grip, use either the included 9" flex tube or 5.5" ridged tube with positive lock for easy filling, 14 oz capacity, 6 average cfm, 30-150 psi air pressure, 1/4" npt air inlet, 3/8" id hose size, 16" length, 2.65 lb, great for automotive, workshop, & marine applications.