APPLICATION RANGE This hose fitting is suitable for transporting water liquid, mainly used for outdoor, garden, industrial, plumbing, faucet, etc.DURABLE DESIGN It is made of 201 stainless steel which is high strength, rust resistance, corrosion resistance, and high temperatures resistance.Male to female thread, good design to extend your faucet, durable and long-term use.PACKAGE INCLUDE 3 Pack of thread pipe fitting, which size is, Thread Size NEED ATTENTION We suggest wind 5-8 turns of sealing tape on the thread for sealing