Premium Materials: The pipe fitting set is made of copper. Excellent strength and durability, high thermal ductility and low permeability. It ensures a tight connection to your pipe system. 【 leak prevention】The yellow copper pipe fitting is barb type and easy to install. The pipe is connected with the hook, which makes the pipe fitting more solid and not easy to leak and separate. It is sturdy and reliable. < p>【Easy installation】1/2 hose connector easy to install. When connecting, just insert the retaining hook into the pipe. Make the installation steps easier, no further cutting or drilling is required. Scope of delivery: Set of 12 male and female thread connectors, the inner diameter of the pipe is 8mm, 10mm, 12mm. A variety of functions are available for you to use in different situations, which is very convenient. 【Widespread】The 1/2 hose connector is suitable for transporting and connecting air, water, oil, gas, liquid or fuel. Can also be used for washing machines, balcony