Petzl Basic Ascender

Compact ascender with excellent grip
Can be used for rope ascent on a fixed line or as progress capture in a hauling system
Toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or muddy ropes...)
Stainless steel cam has better resistance to corrosion
Lower attachment hole large enough for two carabiners (lanyard and foot loop)
Upper connection hole for guiding the rope