Petzl Shunt Ascender

A mechanical replacement for self-jamming knots (Prussik, Machard...). These Petzl ascenders, positioned below a descender, the Petzl Shunt Prussik ascender acts as a back-up belay for an abseil descent. It locks onto the climbing rope as soon as you release it, and follows your descent when you press on it.

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Specs:
For use on single rope (10 to 11 mm) or double (8 to 11 mm)
Weight: 188 grams
Standards: CE and UIAA approved