An ascender, also known as a jumar is used for ascending up a rope when climbing is not possible. The device, which relies on a cam for its functionality, will slide up a rope in one direction but will clamp to the rope when pulled in the opposite direction. The ascender is attached to the climbers' harness and then clipped to the rope and locked. We have a range of different ascenders available from occasional use devices, to handled versions designed for multiple, all-day use. At BananaFingers, we stock Ascenders, from hardware master brands such as Black Diamond, Climbing Technology, Petzl, and Wild Country.
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