Petzl Knee Ascent Foot Loop

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Petzl Knee Ascent Foot Loop

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Knee ascender assembly with foot loop to facilitate ascents on a single rope, for tree care

The KNEE ASCENT LOOP assembly facilitates the arborist's ascent when using the ZIGZAG or ZIGZAG PLUS mechanical Prusik on a single rope. It contains an upper strap, a CROLL L rope clamp, a lower strap with foot loop and an XS size TOOLBAG tool pouch. The system is entirely adjustable and adapts to all shapes and sizes.


Facilitates ascents on a single rope:
- upper strap is connected to the mechanical Prusik to allow the ZIGZAG or ZIGZAG PLUS and CHICANE unit to be raised
- CROLL L rope clamp is integrated, for a comfortable ascent in conjunction with a PANTINfoot-mounted rope clamp (not included)
- lower Dyneema strap with foot loop for optimal foot positioning
Easy to install and remove:
- easy to put in place, thanks to connectors and adjustment buckles
- comes with XS size TOOLBAG tool pouch, making for a system that is always ready to use
- CROLL L rope clamp is easy to install, thanks to the integrated thumb catch
Multiple settings adjust to different shapes and sizes
Optimal durability, thanks to components available as spare parts


Material(s): aluminum, steel, nylon, polyester
Weight: 280 g
Min. rope diameter: 8 mm
Max. rope diameter: 13 mm
Rope compatibility: EN 1891 type A low stretch kernmantel ropes