[Size] Thread Size of 4AN PTFE Fitting is 7/16-20UNF. (0° Straight Pack of 2) [Application] The PTFE Hose End only work with PTFE fuel line. [Parameter] Working pressure: 1500PSI. Temperature range: -65°F-252°F. [Seal] The AN side is sealed by a 37 degree angle. [Material and Feature] Made of aluminum alloy 6061-T6. 360° Swivel design for easy assembly. (Anodized Black Color) Brand: LokoCar 100% New Color: Black [Application] The fittings help connect and route fuel hoses in tight spaces. Only for use with PTFE fuel lines for E85, alcohol, nitro, clutch, nitrous, power steering, oiling, hydraulics, and vacuum applications. Package Include 2Pcs 4AN 0° Straight PTFE Hose End Fitting