About this item [Size] 10AN to 5/8 inch barb, and thread size of 10an is 7/8-14UNF. [Application] The barb fitting only work with rubber fuel line. [Parameter] Max working pressure: 1500PSI; Temperature range: -40℉ to 248℉. [Material] Made of aluminum alloy 6061-T6. [Installation] Easy to install, it is recommended to use clamps to enhance sealing. [Fits For] Fuel Hose line NBR Rubber ID 5/8" Pack of 2 Pcs