Air-Operated Grease , Grease Loading Method Bulk, , Suction, Grease Handle Style Pistol Grip, Nozzle Extension Type Rigid Pipe, Strokes per Oz. 26, Max. Operating Pressure 4,800 psi, Air Inlet Size 1/4 in FNPT, Air Input Range 40 to 120 psi, Capacity 14 1/2 oz, Bulk Capacity 16 oz, Pipe Length 6 in, Tube Color Gray, Tube Material Stainless Steel, Grease Type Up to and Including NLGI Grade 2 Greases, Tool Length 16 1/2 in, Includes Bleeder Valve and Filler Nipple