Petzl Footpro Adjustable Black Nylon Web Footloop, C49. The length is easily adjusted via the double-back buckle. The "under foot" strap is abrasion resistant & allows for an easier "step-in". A P14 Aluminium Maillon with Rapid gate (4No. Turns to open) is present. 150daN Maximum Capacity. Weight 135g. Suitable for use with a rope clamp for ascending a rope.