Petzl Knee Ascent Foot Loop Connection Hardware The advantage of the Lockjack

The advantage of the Lockjack is that friction is applied to the rope with a smooth aluminum surface which causes less friction while climbing for an effortless advance

A small hole at the top for attaching a keeper cord

Very handy for changing positions

wide contact surface and higher tensile strength because of the tube shaped ring design

(mm) Cousin Atrax 11

Petzl Knee Ascent Foot Loop Connection Hardware The advantage of the LockjackKnee 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. Benefits Facilitates ascents on a single