Petzl Rocha Screw Lock Daisy Chains organized by eight primary categoriesThis Gloves and Mittens organized by eight primary categoriesThis is no regular instruction manual—it’s much more useful than that every mechanism pear shaped carabiner: Only 45 g H frame for optimal strength to weight ratio Compact shape is ideal for multi pitch climbing and mountaineering Easy to use for increased efficiency: SCREW LOCK locking system provides good handling and effective locking Visual indicator makes it easy to check that the carabiner is locked Keylock system and smooth nose help prevent the carabiner from snagging during use Easy to use when wearing mountaineering gloves