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
PETZL - Knee Ascent System W/Croll L, Lower Strap
KNEE ASCENT LOOP, Knee ascender assembly with foot loop to
Knee ascender PETZL KNEE ASCENT LOOP
Petzl KNEE ASCENT LOOP
Buy Petzl Knee Ascent System by Petzl
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KNEE ASCENT FOOT LOOP Petzl