Polyester tape Ø 5 mm with fixed eyelet and flexible interchangeable headTwisted tapes, very strong, extremely flexible and light. They pass the “4 curves test” on both rigid and corrugated pipes, but they can also avoid to have an intermediate box, and even if bent on themselves they do not break.Polyester tape Ø 4 mm with interchangeable eyelet and head*Twisted tapes, very strong, extremely flexible and light. They pass the “4 curves test” on both rigid and corrugated pipes, but they can also avoid to have an intermediate box, and even if bent on themselves they do not break.