Description: Material - Brass pipe fittings are made of brass, which is corrosion-resistant, high-temperature-resistant, low-temperature-resistant, strong and durable, and suitable for long-term use. Design - This brass fitting adopts a double-ended internal thread design and the head is hexagonal, which is convenient for tightening with a wrench. Its compact structure and precision processing make the fittings bite better and not easy to slip off. Easy to Use - To install this brass fitting, clean the threads, align the pipes, hand-tighten the fitting, secure it with a wrench, and check for leaks. Widely Applicable - This brass fitting is widely used in various applications including plumbing systems, HVAC, automotive, industrial machinery, and gas systems. Specification : Material: Brass Surface treatment: Polishing Length: 45mm/1.77" Width: 39mm/1.54" Thread specification: 1/2O.D x 1/2NPT Connector size (nominal diameter): 1/2O.D x 1/2NPT Packaging: 1Pcs x Brass Pipe Fitting Coupling