[Hand Pump] The delivery pump connection port is 8mm, and the hose length is 2m. The manual delivery pump can easily pump water, gasoline, diesel, oil and other liquids. It is an ideal tool for quickly refilling various liquids [Material of the fuel supply pump] The fuel pump is made of nitrile rubber and aluminum alloy. The transparent PVC pipe can be lengthened and thickened, and has excellent resistance to oil, diesel and gasoline. Suction pump] Insert the oil inlet pipe into the bottom of the oil tank, insert the oil drain hose into the prepared oil tank, squeeze the rubber ball 3-5 times, and the liquid will flow out automatically. The oil outlet speed is fast and easy to use. Built-in inlet and outlet valves to prevent backflow, direct suction within 5 seconds, and the liquid flow arrow indicates the flow direction. [Portable Fuel Delivery Pump] The pump delivery is suitable for automobiles, motors, lawn mowers, boats, ships, helicopters, vessels, motorcycles, etc. It is also suitable for aquariums, swimming pools, home breweries, etc. [Reminder] The liquid you want to suck up should be higher than the bucket flowing into it. The connection end should not only be located on the surface inside the liquid. The images have instructions for use, do not hesitate to contact us if you have any questions.