Kikit
A wide range of Knee Screw-In Coupling Plug-In products can be found at TechniComponents. The Insert/Screw In Knee Fittings are rotatable. The couplings are made of a combination of plastic and brass. In addition, the couplings are provided with Teflon for the purpose of sealing. You can find all the information on our website or contact customer service, we will be happy to help you.