Male air tank drain threads are crucial for the proper maintenance of air tanks in trucks and trailers. These threads allow for the easy installation of drain valves, which are used to release accumulated moisture and debris from the air tank. To install, screw the drain valve into the male threads on the air tank. Regular draining helps prevent fade and ensures the longevity of the air tank and connected pneumatic components. Features -Color:Golden -Material:Brass,Plastic -Size:5.50X4.50X2.00cm/2.16X1.77X0.79in -Brass material: constructed from sturdy brass, this adapter offers excellent resistance to high temperatures -Userfriendly design: rear brake pump connector design simplifies the installation process, making it userfriendly and efficient -Convenient air extraction: features an air extraction valve that facilitates easy air extraction from truck trailers, meeting diverse needs -Wide range of uses: ideal for various truck trailers, it finds extensive application in logistics and transportation sectors -Dependable performance: with the product's reliability and stability, ensuring consistent performance Package list: 1 x Air Brake Line Fitting