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 tool for quickly filling various liquidsMaterial of the supply pump: the pump is made of rubber. The transparent pipe can be extended and thickened and has oil, petrol resistance.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 3-5 and the liquid will out automatically. The oil output speed is quick and easy to . -in inlet and outlet valves to prevent backflow, direct suction within 5 seconds and the liquid shows the direction.Portable 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 flows in. The connection end must not only be located on the surface within the liquid.Material:rubbercolour:Black+transparentPackage Contents:1 * Liquid Transfer Pump PipeOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.