It is a spiral so far as it rolls over a long one. Since there is a special tool, the man-hour of 5 m volume has been reduced to 1/10 compared to the spiral. It was higher per m of the unit price, but it was enough for the man-hours.
Wrapping work with a 10 m spiral tube Comparison spiral 45 min Hella wrap 3 min cheap by manufacturing cost in 3 min. But the tool you bundle. I can not insert it if something has been capped at both ends. I managed to deal with the corrugated tube installation tool somehow.