Petzl Jag double pulley

Petzl Jag is a high-performance dual unit. 
The JAG dual unit is designed to be used with the Petzl Jag Traxion dual grabber to create a 4:1 carrier system.
The pulleys are mounted on sealed ball bearings for superior efficiency.

Specifications of the Petzl Jag:
- Weight, g:  120 (4.23 oz)
- Compatibility with ropes, mm:  8 - 11 (0.31 - 0.43 in)
- Pulley diameter, cm:  2.5 (0.98 in)
- Ball bearings: yes
- Efficiency (efficiency):  91 %
- Maximum working load:  2 × 4 kN × 2 = 16 kN
- Breaking load:  2 × 4 kN × 2 = 16 kN
- Materials: ball bearings, Al alloy housing, nylon
- Certification(s):  CE EN 12278, UKCA, NFPA 2500 Technical Use
- Reference:  https://www.petzl.com/INT/en/Professional/Pulleys/JAG

MANUFACTURER

Petzl

Whether you are involved in working at height, industrial mountaineering or simply an avid caver or climber, you are no doubt already familiar with Petzl products.
Today, PETZL is the world leader in the production of products for climbers and cavers, with about 200 patents and ISO 9001 and UIAA quality certificates.
All Petzl products are made of modern high-quality materials, which creates the perfect balance of weight, reliability and user comfort.
Many well-known athletes, including skiers, climbers and professional cavers, choose Petzl equipment exclusively.
When you pick up any Petzl product, you will feel the highest quality, thoughtfulness and craftsmanship.
The company's distributors operate in more than fifty countries.