Grease Meter, For Use With Air Operated Grease Pumps, Used in Place of Grease Control Handle, Compatible Chemicals Antifreeze, Biodiesel, Diesel, Fluids, Oil, Includes (4) Jaw Grease Couplers, Batteries, Digital Grease Meter, Extension, Z-Swivel, Max. Operating Pressure 7,800 psi, Inlet Type FNPT, Inlet Size 1/4 in, Nozzle Operation Automatic, Metered Yes, For Media Type Antifreeze, Biodiesel, Diesel, Fluids, Grease, Oil