Package included: 1 x 10AN Male to 12AN Male Flare Specification: Size: The thread size of the 10AN male coupler is 7/8-14 UNF, and the thread size of the 12AN male coupler is 1 1/16-12 UNF. Seal: The AN thread of the flare is sealed by a 37 degree angle. Parameter: Working pressure: 1500PSI; Working temperature: -40°F-250°F. Material: Made of aluminum alloy 6061-T6. Application: Male to male flares coupler usually used in fuel system, such as fuel hose extend, fuel pump, cooler system etc. Note: Professional Installation is Highly Recommended Installation Instruction is NOT Included.