Petzl ASCENSION ascender


The ASCENSION handled rope clamp is designed for rope ascents and features an overmolded grip and ergonomic upper part for a comfortable and powerful grip when pulling with one or two hands. The ASCENSION handled rope clamp has a wide lower hole for easily attaching two carabiners for a lanyard and footloop.

SKU: B17ALA P Category:
  • Simple to use, and effective:- ergonomic molded handle allows a comfortable yet powerful grip

    – wide opening allows the handle to be easily grasped, even with thick gloves

    – ergonomic upper part to maximize power when pulling with two hands

    – safety catch is totally integrated into the body of the ascender to help prevent snagging

    – toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or dirty ropes…)

    – Wide lower hole allows the carabiners of the PROGRESS lanyard and FOOTAPE or FOOTCORD footloop to be easily attached

    – upper hole for clipping a carabiner around the rope

  • Available in left- or right-handed and in black/yellow or black versions


  • Material(s): aluminum, stainless steel, plastic, rubber, nylon
  • Weight: 165 g
  • Rope compatibility: 8 to 13 mm
  • Certification(s): CE EN 567, CE EN 12841 type B, EAC, NFPA 1983 Technical Use


References B17ALA B17ARA B17ALN B17ARN
Color(s) black/yellow black/yellow black black
Version left-handed right handed left-handed right handed
Guarantee 3 years 3 years 3 years 3 years
Packing 1 1 1 1

Black, Yellow


left, right



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