Petzl Croll Chest Ascender Size:Small 8-11mm helping the SpiderJack body to

helping the SpiderJack body to engage with the clutch

while the 55cm will handle longer buries on 10-13mm Arborist Ropes

Upper: Front: 100% Polyamide (Cordura)

This lanyard adjuster is unique in that it allows the lanyard to be lengthened even while under tension

Petzl Croll Chest Ascender Size:Small 8-11mm helping the SpiderJack body toThe Petzl Croll is a sleek ascender to be used with a chest harness and hand ascender as part of an SRT tree climbing system. The upper hole is rectangular to allow correct attachment to the harness. Specially shaped to sit flat against the body of the user. Toothed cam. Available in two versions: CROLL S: compact and lightweight rope clamp for 8 11mm ropes. This version has a rope channel that is reinforced with stainless steel, for very harsh