DrenaLINE, one rope equally efficient! DrenaLINE gives ultimate freedom to the climber to choose the right technique for the task. DrenaLINE has an extremely light construction and 32-strand cover for super smooth precision during ascents and descents. With DrenaLINE you can always be confident that the hardware you bought will work with your climbing line. This rope has been extensively tested in the field with a vast range of hardware in single and double rope climbing techniques by experienced tree climbers around the world.