Kotatsu Ranger Rope 12mm x 5m A must have item for fire and rescue personnel looking to the pinnacle This Tokyo 3-ply Z-Twisted Nylon Ranger Rope is 16.2 inches (12 mm) S-knitting (soft) 16.4 inches (5 m) for binding various competitions. For climbing ladders, rescue burrs, and more. The speed of the tie changes to the win/defeat. Of course, it can also be used for safety in the field.