Petzl Tibloc Ascender
This is the smallest and lightest rope clamp / grab on the market. It will get you out of many difficult situations, such as setting up a quick hauling system or climbing a rope. This is an emergency rope clamp / grab which you should always keep close at hand. Attachment hole for keeper cord. For use with locking carabiners having a round or oval cross section of 10 to 12 mm, such as Petzl Am'D, ATTACHE and WILLIAM.