Black Diamond's 6-Step Etrier is an essential webbing ladder for aid climbing.
The Black Diamond Alpine Aiders are a lightweight version of the Etrier, perfect for the mountains or in-a-day big wall missions.
The Petzl GradiStep is a 5-step etrier with storage pouch for aid climbing.
Adjustable foot loop for easy ascension off fixed protection. Totals 7 feet 7 inches in length.