Air-Operated Grease Gun Grease Gun Loading Method Bulk Cartridge Suction Grease Gun Handle Style Pistol Grip Nozzle Extension Type Rigid Pipe and Flex Hose Strokes per oz 26 Max Operating Pressure 4 800 psi Air Inlet Size 1/4 in FNPT Air Input Range 40 to 120 psi Cartridge Capacity 14 1/2 oz Bulk Capacity 16 oz Pipe Length 6 in Hose Length 18 in Tube Color Gray Pressure Ratio 40 1 Tool Length 16 1/2 in