Croll Ascender Designed for rope ascents, the CROLL chest ascender is lightweight and simple to use. The attachment holes ensure efficient positioning during ascents. Croll S is compatible with ropes measuring 8 to 11 mm in diameter. The Croll S has a stainless steel wear plate for durability by reinforcing the rope friction zone. Croll L adapts perfectly to wide diameter, swollen or rigid, ropes while limiting friction. Croll L is compatible with ropes measuring 8 to 13 mm in diameter. Description Efficient and easy to use during rope ascents: used with the BASIC ascender or the ASCENSION handled ascender for rope ascents lower hole is angled to keep the chest ascender flat upper hole for attaching a TORSE shoulder strap to keep the ascender in position catch is opened by pinching, for simple, quick manipulation Rope compatibility Croll S: 8 to 11 mm diameter rope Croll L: 8 to 13 mm diameter rope Specifications Material(s): aluminum frame, stainless steel cam, nylon safety catch, stainless steel wear plate (S only) Weight: 85 g (S), 140 g (L) Rope compatibility: 8 to 11 mm Certification(s): CE EN 567, UIAA Technical Document Download Croll S_info.pdf Croll L_info.pdf