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Gemini Double Prusik Pulley

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Gemini Double Prusik Pulley

Petzl's Gemini Double Prusik Pulley lets you set up a variety of hauling systems with either one or two ropes. It features sheaves mounted over sealed ball bearings for smooth efficiency, and the unique side plates work with the auxiliary attachment to accommodate complex capturing systems or simple Prusik hitches for lighter hauls. Despite its double dimensions, the Gemini remains small and light enough for any big wall, alpine, or mountaineering endeavor.


  • Lightweight side plates
  • Parallel mounted sheaves
  • Sealed ball bearings
  • Auxiliary attachment point
  • Item #PTZ004B
Rope Diameter
7 - 11 mm
Working Load
6 kN, [one rope strand] 1.5 kN
Breaking Strength
23 kN
[sheave diameter] 1 in
Claimed Weight
4.75 oz
Recommended Use
Manufacturer Warranty
3 years