Petzl CROLL S Chest Ascender

Petzl's CROLL S is a chest ascender. When used with a chest strap and Petzl's ASCENSION or BASIC, the CROLL makes a simple and efficient system for ascending fixed lines. The angled attachment hole keeps the device properly aligned on the chest. The chrome-plated steel cam with angled teeth and self-cleaning slot securely grips the rope, even in muddy or icy conditions. The angled attachment hole keeps the device properly aligned on the chest for better efficiency in use.- Chrome-plated, steel cam with angled teeth and self-cleaning slot- Angled attachment hole keeps device properly aligned on chest- Upper hole used to attach shoulder strap- Safety catch prevents cam from opening too far- For use with ropes between 8 mm and 11 mm in diameter