Size: The fitting is female AN6 to female AN6, and the thread size is 9/16-18 UNF. Parameter: The maximum working pressure is 1,500 PSI, and the working temperature range is -40℉ to 250℉. Sealing: The AN side of the flare is sealed by a 37-degree angle. Material: The fitting is made of aluminum alloy 6061-T6 with an anodized black surface. Feature: The fitting is designed with a 360° swivel for easy assembly, and it can be reused and recycled. EVIL ENERGY is our brand, we're a direct and professional manufacturer, one of greatest manufacturer and exporter in tuning parts include intake system, exhaust system, fuel system, cooling system, interior and exterior parts. The male to female fitting made of lightweight aluminum alloy and widely used in oil cooler, fuel cel, turbo discharge of motorcycle, power steering pump,etc. The AN thread is sealed by a 37 degree angle. 360° swivel design for easy installation.