This manual fuel transfer pump kit is a practical tool for fuel line priming, liquid transfer, air purging, and emergency pumping. The package includes 1 x 10mm hand primer bulb, 1 x 6mm hand primer bulb, 2 x 80cm oil hoses, 2 x 100cm oil hoses, and 4 hose clamps, allowing you to handle different small engine and low-pressure fuel system needs. Each rubber bulb features a clear arrow mark to show the correct flow direction, helping you connect and operate the pump more easily. Made of oil-resistant rubber with metal fittings, the pump is designed for gasoline, diesel, kerosene, oil, water, coolant, and other common liquids. Ideal for cars, boats, motorcycles, lawn mowers, generators, scooters, ATVs, water pumps, brush cutters, snow blowers, and agricultural machinery.