Petzl - ASCENSION, Ergonomic Handled Ascender 2" high 4" wide INTENDED USE: Designed for ascending a rope SIMPLE AND EFFECTIVE: Ergonomic molded handle allows a comfortable yet powerful grip. Wide opening allows the handle to be easily grasped, even with thick gloves. PROTECTION: Safety catch is totally integrated into the body of the ascender to help prevent snagging BEATS THE ELEMENTS: Toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or dirty ropes...) ATTACHMENTS: Wide lower hole allows the carabiners of the CONNECT ADJUST lanyard and FOOTAPE or FOOTCORD foot loop to be easily attached.