DescriptionThis item is a fuel primer bulb. Hand bulb primer to suit petrol of diesel comes with a one way installed to help quickly prime the fuel system. With durable and practical material, it can be applied widely in cars, motorcycles, boats, etc.Features- Color: Black. - Material: Plastics. - Size: Approx. 15.4 * 4.6 * 4.6cm/ 6 * 1.8 * 1.8 inch (LWH). - Inner diameter: 12mm. - With a one way installed to help quickly prime the fuel system. - Frequently used as a hand pump in boats for fuel supply to the out-board engine. - Suitable for both diesel and petrol.Ideal for a wide range of vehicles including cars, motorcycles and boats.