APPLICATION RANGE Extended pipe fittings mainly solve the problems of too deep hidden pipe fittings, the interface is not long enough, and water pipe extensions. Widely used in bathroom pipeline installations, oil-water pipeline connections, etc.DURABLE DESIGN Premium brass has the advantages of corrosion resistance, high hardness, high strength, and high-temperature ductility. Precision thread, stronger connection, anti-leakage; thicker hexagonal section, easy to install with a wrench.PACKAGE INCLUDE 1 Pack of Pipe Fitting, which size is Thread Size NEED ATTENTION It is recommended to use rubber sealing gasket connection, the connection effect is better (not included here). Please attention the product size before placing an order.