Double interlocking metal pliable conduits coated in smooth TPV. Made from a helical ribbon of Sendzimir continuous hot-dip zinc coated strip (UNI EN 10346 Standard), and externally coated in smooth and self-extinguishing TPV. Resistant to most types of oils and greases, they present a good flexibilityand a really good mechanical resistance when subjected to tractionstresses. Suitable for applications in harsh environmental conditions, especially for use at low temperatures.