Hand pump: The connection port of the discharge pump is and the hose length is 2 m. The hand discharge pump can easily pump water, gasoline, diesel, oil and other liquids. It is an ideal tool for quickly filling various liquids. Fuel supply pump material: The fuel pump is made of nitrile rubber and aluminum alloy. The transparent PVC hose 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 pipe 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 delivery pump is suitable for automobiles, engines, lawn mowers, boats, ships, helicopters, ships, motorcycles, etc. It is also suitable for aquariums, swimming pools, home breweries, etc. Reminder: The liquid you want to suck must be higher than the bucket flowing into it. The connection end should not only be located on the surface inside the liquid. The pictures have instructions for use, please feel free to contact us if you have any questions.