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RACK Variable friction descender Allows the friction to be varied when the descender is under load to adapt to changing conditions (rope weight, terrain, etc). - The number of bars engaged on the rope may be adjusted at any time to obtain the desired amount of friction.
- Good distribution of friction and heat helps preserve the rope.
- Does not twist the rope.
Technical specifications - For use on a single ropes (9 to 13 mm) or double ropes (8 to 11 mm)
- 470 g
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