Package includes 2 x Black Diesel Pump Gasoline Rubber Gasoline Primer (8mm) Material Quality material Lightweight alloy and rubber, high quality NBR rubber and aluminum alloy Metal valves size 8mm (5/16 ") Body size: 154 x 46mm / 6.06 x 1.81in Excellent design Designed with low permeation material to prevent fuel evaporation, to maintain flexibility and prevent collapse in hot and cold weather. Wide application Suitable for Peugeot, helicopters, ships, motorcycles and other fuel supply systems, suitable for carburetor and low pressure fuel systems Specifications: Color: Black Material: Alloy and rubber Metal valves Size: 8mm (5/16 ") Body size: 154 x 46mm / 6.06 x 1.81in Part weight: 79g Engine type: diesel, gasoline, gasoline The package includes: 2 x Primer bulb for pleasure boat rubber fuel line Functionality: - The gasoline-friendly hand bulb primer comes with a one-way valve installed to help prime the fuel system quickly. - Frequently used as a hand pump in boats to supply fuel to the outboard motor. - This fuel primer bulb is ideal for vehicles without ESP primer, using 1 or 2 tank systems, as well as vegetable oil transfer, it is typically used on outboard boat engines or inboard. - The pump is temperature resistant up to 95 C. Note: - Clear shots and different displays may make the item's color in the photo a little different from the real thing. The allowed measurement error is 1-3cm. - The actual item color may vary slightly due to the photography and your own computer