Petzl B17A_A Ascension

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B17A A
  • Petzl B17A_A Ascension
  • Petzl B17A_A Ascension
  • Petzl B17A_A Ascension
  • Petzl B17A_A Ascension
  • Petzl B17A_A Ascension
  • Petzl B17A_A Ascension
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Ergonomic handled ascender

Handled rope clamp for rope ascents, the ASCENSION 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.


  • Designed for ascending a rope
  • 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 CONNECT ADJUST lanyard and FOOTAPE or FOOTCORD footloop to be easily attached
    - upper hole for clipping a carabiner around the rope
  • Available in left-handed and right-handed versions


  • Material(s): aluminum, stainless steel, plastic, rubber, nylon
  • Weight: 165 g
  • Rope compatibility: 8 to 13 mm
  • Certification(s): CE EN 567, UIAA

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2 Reviews

  • 5
    Durable. Dependable

    Posted by Lukas Eddy on 3rd Feb 2020

    The standard in hand ascenders. I use this as my upper ascender for my Frog system for caving and canyoneering. Grip is flawless. Used on many different ropes. No problems.

  • 5

    Posted by Marcos m carrillo on 3rd May 2016

    It's a great tool with safety feature just what i need it for my job

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