EVIL ENERGY 6AN ORB Male to 5/16" Hose Barb Fuel Oil Pump Inlet Fitting Adapter Aluminum Black [Size]：Size: 6AN (9/16"-18UNF) male orb to 5/16" barb. [Material]：Manufactured from lightweight 6061-T6 aluminum, anti-rust and anti-corrosion. [Feature]：CNC machined aluminum hex head tube hose adapter fitting. Leak proof sealing - (ORB) O-ring Seal. [Compatibility]：Can be well compatible with fuel, oil, water and other media. [Application]：Used in automotive fuel system oil pot, fuel pump, fuel filter,etc. Hold the hoops tightly when installing the barb end. 6an male orb to 5/16" hose barb fuel line fitting adapter aluminum black 6an to hose barb fitting