Invincible Marine Fuel Line Connector, Mercury Male Fitting, 2-Prong Made using the highest quality components Performance and quality tested The most trusted name in marine accessories and equipment Features the Speed Prime technology This connector fits 5/16-inch or 3/8-inch fuel lines, includes spring loaded double check valves and has stainless steel hose clamps BR53205 Mercury Male 2-prong -inch NPT brass (477MMC) This fuel connector has been tested in extreme climates and is alcohol resistant Comes with a 1-year warranty