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Petzl Ascension

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.

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  • 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


  • Model / Colours / Product Number:
    • Left-handed / Black & Yellow / B17ALA
    • Right-handed / Black & Yellow / B17ARA
    • Left-handed / Black / B17ALN
    • Right-handed / Black / B17ARN
  • Material(s): aluminum, stainless steel, plastic, rubber, nylon
  • Weight: 165 g
  • Rope compatibility: 8 to 13 mm
  • Guarantee: 3 years


  • CE EN 567
  • UIAA


Additional information


Black / Yellow, Yellow / Black, Black, Yellow


Left-handed, Right-handed