The PETZL Gemini Double Prusik Pulley is designed for creating complex hauling systems with maximum efficiency. Its parallel-mounted sheaves and auxiliary attachment point make it versatile for various rigging applications. The sealed ball bearings ensure smooth rope movement, while the lightweight aluminum construction enhances portability without sacrificing durability. Special side plates are engineered for use with a Prusik friction hitch, making it ideal for progress capture systems.
About This Item
Optimized for Hauling Systems: Features parallel-mounted sheaves to handle different hauling configurations, including complex systems.
Efficient & Smooth Operation: Sealed ball bearings provide a high efficiency of 91%, ensuring minimal friction during rope movement.
Lightweight & Durable: Constructed with aluminum side plates and sheaves for durability without added weight.
Prusik-Compatible Design: Specially designed side plates allow safe and secure use with a Prusik friction hitch.
Certified & Reliable: Meets international safety standards with CE EN 12278 and UIAA certifications.
Versatile Applications: Ideal for mountaineering, rock climbing, rescue operations, and industrial rigging.
Item Full Specifications
Feature
Details
Brand Name
PETZL
Model Name
Gemini Double Prusik Pulley
Item Model Number
P66A
Material
Aluminum side plates and sheaves
Color
Silver
Weight
135 g (4.76 oz)
Sheave Diameter
25 mm
Maximum Rope Diameter
11 mm
Efficiency
91%
Certification(s)
CE EN 12278, UIAA
Department
Unisex-adult
Date First Available
January 12, 2004
Manufacturer
PETZL
Suggested Use
Mountaineering, Rock Climbing, Rescue
Size
One Size
References
Reference
Guarantee
Inner Pack Count
Price
P66A
3 years
1
$99.95
Legal Disclaimer
These products are intended for mountaineering, rock climbing, industrial work, and rescue use only. These activities are inherently dangerous and should only be performed by individuals who have received proper training. Failure to follow warnings, instructions, and safety guidelines may result in serious injury or death. Users are solely responsible for their actions and decisions when using this product. Always seek qualified instruction before use.
Frequently Asked Questions (FAQs)
What rope diameters can the GEMINI pulley accommodate?
It is compatible with ropes between 7 mm and 11 mm in diameter, making it ideal for most climbing, rescue, and technical hauling applications.
What is the maximum load and strength rating?
The GEMINI has a maximum working load of 6 kN (1.5 kN per rope strand across two sheaves) and a breaking strength of 23 kN, providing excellent safety margins.
How efficient is the pulley, and what allows this efficiency?
Thanks to sealed ball bearings, the pulley operates with approximately 91% efficiency, which significantly reduces friction during hauling and progress-capture setups.
Why are the side plates special and what is the auxiliary attachment point for?
The side plates are designed for integrating a Prusik friction hitch, enabling smooth progress-capture systems. The auxiliary attachment point offers flexibility for building complex hauling configurations.
Is the GEMINI certified and lightweight?
Yes. Weighing 135 g, it’s compact and easy to carry. It’s also certified to CE EN 12278, UIAA, UKCA, and NFPA 2500 standards, ensuring reliable performance for both sport and industrial use.
