The CROLL makes for a simple and efficient system for ascending fixed lines. The angled attachment hole keeps the device properly aligned on the chest.

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.
Upper hole is used to attach shoulder strap.
Safety catch prevents the cam from opening too far thus keeping the rope captured for added safety.

Check technical notice.