Petzl Knee Ascent System


The KNEE ASCENT 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 or clip and an XS size TOOLBAG tool pouch. The system is entirely adjustable and adapts to all shapes and sizes.



Weight: 1.05lbs

Accepted Rope Diameters: 8mm to 13mm

Includes XS Petzl Toolbag for gear storage

Upper strap, attached Croll rope clamp, and adjustable lower strap

Climb faster and easier


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