The Salewa Alpine Tuber safety device is not only ideal for alpine climbing, but also in sport climbing and the top rope-Secure believes it. - Designed for securing with single rope - for ropes with a diameter of 7.7 mm - 11 mm - deep brake grooves for easy cable output - friction-free handling by a long rope guide slots - safety markings on both sides: for either hand - Size: 7, 7-11 mm - weight: 47 g

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