The Petzl TRIGREST is designed to fit on the awesome Petzl Sum'Tec ice axe to help improve grip efficiency during your next mountaineering endeavor. This Petzl ice axe accessory can be used to replace a TRIGREST on the Petzl Sum'Tec ice axe and is fully adjustable without the need for tools. In the lower position the TRIGREST improves grip and facilitates progression in steep sections, and in the upper position allows the shaft to easily penetrate the snow and ice.
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