For transfer of transmission, differential and heavier oils. Self priming. Delivers 3 oz. per stroke. Complete with 4 ft. oil-resistant hose and drum pail cover. Fits open head pails/drums. For 5 gallon/35 lb. pail. Product Features:Pumps Transmission, Differential and Most Non-Corrosive Oil Base FluidsDelivers 3 oz. per StrokeDesigned for 5 Gallon Open Head PailsIncludes the Pump, Drum Cover, and 48 Hose with Nozzle