Petzl Knee Ascent Foot Clip Suits:11.5-13mm Rope Diameter The benefit is your system

The benefit is your system then sits symmetrically without putting a twist off to one side normally normally caused by a standard stiff tether

Universal spur straps are designed to fit super climber

The Ropeguide TwinLine profile:

It’s also very low stretch

Petzl Knee Ascent Foot Clip Suits:11.5-13mm Rope Diameter The benefit is your systemKnee ascender assembly with connector for boot, facilitating single rope ascents, for tree care The KNEE ASCENT CLIP 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 connector that attaches to the sewn webbing on the top of the arborist's boot, and an XS size TOOLBAG tool pouch. The system is entirely adjustable and