5/16" Marine Outboard Boat Motor Fuel Gas Hose Line Assembly with Primer Bulb Specification: Type: Fuel Line Assembly Material: Rubber & metal Item Color: Black Hose Length: 205cm/80.7inch Diamater: 8mm/0.3" Compatible:Suitable for Boats, RVs, Tractors, and Caravans Suitable model: yamaha、parkson、Mariner 、Johnson etc. Features: * High-quality Materials: Low permeability material with oil resistance and corrosion resistance，which can prevent fuel volatilization * Extra Bulb Pump Increase rubber ball for better skid-resistance and stronger suction. * Hose Clamps: .