[Specification] - Male Thread Size: 3/8 SAE; Tube Part Length: 70mm / 2.76 Inch; Tube Part OD: 9.52mm / 0.38 Inch; Overall Height: 100mm / 3.94 Inch [Applications] - Widely used for connecting the tubes or pipes together, especially on the air conditioner, refrigeration refill, HVAC System, hydraulic applications, A/C mini split, manifold, vacuum pump, gauge, tank, ductless heating and cooling, fuel, oil, air lines. [Material] - Made from brass material for excellent corrosion resistance and strength. Operating temperatures -53 to 121 (-63.4 to 250 ) [Good Sealing Connection] - 45-degree flare connection provides good sealing. The hexagonal part is designed for a wrench to tighten. [Notices] - 3/8 SAE Flare male thread fit for 5/8'-18UNF female thread