Quality material: light weight alloy and rubber, high quality rubber and aluminum alloy, made of high quality rubber and metal, corrosion resistant, oil resistant, durable, wear resistant , hard to tear andlong life. Excellent Design: Thickened design with double sealing ties for better sealing. Large glowing shape ensures strong suction power and quicker oil pumping. Ingested with low materialpermeation to prevent fuel evaporation, to maintain flexibility and prevent collapse in hot and cold weather. The connector is designed to facilitate the installation of the shroud tube and will not fall off. Wide applicationSuitable for helicopters, ships, motorcycles and other fuel systems, suitable for carburetor and low pressure fuel systems Metal Valves Size: 8mm (5/16") Body Size: 154 x 46mm / 6.06 x 1.81in Package includes: 1 x Rubber Gasoline Gasoline Petrol Diesel Pump Black (8mm) Universal equipment for boats, tractors and other cars. Specifications: Color: black Material: alloy and rubber Metal Valves Size: 8mm (5/16") Body size: 154 x 46mm / 6.06 x 1.81in Weight: 79g / 2.79oz Type of engine: diesel, petrol, petrol Package includes: 1 x Rubber Rubber Feed Line Primer Bulb Feature: - Gasoline-friendly hand bulb primer comes with a non-return valve installed to help quickly prime the fuel system. - Frequently used as a hand pump in boats for supplying fuel to the outboard motor. - This fuel primer bulb is ideal for non-priming vehicles, using 1 or 2 tank systems, as well as for vegetable oil transfer, it is typically used on outboard boat motors or inboard. - The pump is temperature resistant up to 95C. The manual fuel pump is convenient and can be used in emergency situations. Bulb designed to maintain flexibility and prevent collapse in hot and cold weather. Note: - Light shooting 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.