Hand pump: the connection of the delivery pump is 8 mm and the tube length is 2 m. The hand pump can easily pump water, petrol, oil and other liquids. It is an Perfect for quickly filling various liquidsMaterial of the fuel supply pump: the fuel pump is made of rubber. The transparent pipe can be extended and thickened and has excellent oil, petrol .Suction pump: insert the oil inlet pipe into the bottom of the oil tank, insert the oil drain pipe into the prepared oil tank, press the rubber ball together 3-5 times and the liquid will flow out automatically. The oil output speed is quick and easy to use. Built-in inlet and outlet valves to prevent backflow, direct suction within 5 seconds and the liquid flow shows the flow direction.Portable fuel pump - The conveyor pump is suitable for , engines, lawn mowers, boats, ships, helicopters, ships, motorcycles, etc. It is also suitable for aquariums, pools, home brewing, etc.Reminder: The liquid to be sucked must be higher than the bucket that flows in. The connection end must not only be located on the surface within the liquid.Material:rubbercolour:Black+transparentPackage Contents:1 * Fuel Liquid Transfer Pump PipeOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.