Heavy Duty Pistol Grip Grease Gun

16 Oz. Capacity (Bulk), 14.5 Oz. Capacity (Cartridge), comes with 18 In. flex hose extension and 6 In. straight pipe extension; Material - Steel, Output 1 Oz. per 33 strokes using No. 1 grease at 70 deg. F, Barrel diameter - 2-1/4 In.