A small rope clamp/grab for emergency use. Compact design for fast and light pursuits. Chrome-plated steel with inclined teeth to enhance grip on wet, icy, or muddy ropes. Does not damage the kern of the rope if used properly. Requires a locking carabiner with a round or oval cross section like that of the Petzl Attach. Features an attachment hole for a keeper cord. Excellent piece for crevasse rescue if larger ascenders are not carried. Read all warnings and instructions before use. For use on single ropes from 8 to 11 mm. CE EN 567 certified.