Product Features The Interlock Gooseneck Tube is adding a thread liner to the interlock structure which brings the characteristics of leakage proof or stay put and support. As the application of gooseneck tube, it is more advanced than twisted type gooseneck on lighter weight and free from noise when operating. Available supplying range is from OD6mm up to 50mm and material is optional for stainless steel or carbon steel. Your requirements are welcome for consultation. Application Applications: Gooseneck Tube, Gas Tube and etc.