The Teufelberger drenaLINE rope gives ultimate freedom to the climber to choose the right technique for the task, whether you are on single or double rope configurations. DrenaLINE works perfectly and reliably in both applications. Its extremely light construction and 32 strand cover allows super smooth precision during ascents and descents. With drenaLINE you can always be confident that the hardware you bought will be the right one. 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.