Petzl - This is MAESTRO S - The ultimate tool for technical rescue. A descender designed for technical rescue operations. Rescuers can adapt to any situation they may encounter when efficiency is
Petzl Maestro® Descender - YouTube
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Petzl MAESTRO L Descender in Red - OmniProGear
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Petzl MAESTRO S Descender in Yellow - OmniProGear
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The Petzl Maestro: An Exceptionally Well Designed Multi-Functional Device For Technical Rescuers