Title:AN4 5/16" (13mm) Car Performance Aluminum Fittings Adaptor Adapter Hose Finisher NitrousApplication:Universal Reinforce for oil line , fuel line and so onSpcification:Works With All Braided Or Nylon Braided LineMade From Lightweight 6061 Alloy AluminumDesigned For Smooth Flow, Easy Assembly & Long lastCompletely ReusableBrand New, never been usedMax hose OD:13mmInclude:4pcs