High quality pattern aluminum and good resistance to corrosion, processed by colorful oxidizing, used in conversion from coaxial cables to appliances, mainly in transmission of CATV trunk to branch networks. Its thin and long structure is suitable for the narrow space in the box resistant to water, its inner and outer conductors are locked tightly by double threads. The port size of this product: 5/8”-24 threads, pin diameter 1.7mm. It is connected with –7 braid cable.