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 liquids Material 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 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, the rubber ball together 3-5 times and the liquid 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 cars, 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 within the liquid. Material:rubber colour:Black+transparent Package Contents: 1 * Fuel Liquid Transfer Pump Pipe Only 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.