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Petzl Ascension Black

Petzl Ascension Black
Our Price:  £40.37
List Price:  £47.50
Saving Of:  £7.13 (15%)
(Exc. 20% VAT)(£48.44 Inc. VAT)

Model:  B17ARNN
Brand:  Petzl
Conformance:  EN12841B, EN567, UIAA


This handled ascender, also known as a 'hand jammer' has long been the most popular model available. Now the Petzl Ascension features a host of improvements such as an ergonomic handle for a comfortable grip with insulation and a trigger style toothed cam with cleaning slot that work efficiently even on ice or dirty ropes.

The spring-loaded catch is designed to provide easy one hand operation, it can be locked open to aid removal or installation of the device on and off rope.

At the base of the handle two attachment points are available, designed to fit a lanyard and/or a foot loop. An additional hole at the top of the device provides a more secure connection, designed to be fitted with karabiner therefore locking the rope in place. This additonal connection prevents accidental removal of the device through incorrect loading or use in hauling systems.

Please note: Left handled version is black with yellow handle inlay

Detailed description

  • Simple and efficient to use:
    • 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 rope clamp to help prevent snagging
    • toothed cam with self-cleaning slot optimizes performance under any conditions (frozen or dirty ropes...)
    • wide lower hole for easy attachment of the carabiners of the PROGRESS lanyard and FOOTAPE and FOOTCORD footloops
    • 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

Standard Delivery - From 4.50
(Delivery charges are calculated by weight at the checkout)

  • 1-3 Day delivery
  • UK Mainland only

Free Delivery on orders over 250 ex VAT

  • 1-3 Day delivery
  • UK Mainland only

Need it sooner? Visit the link below:

Special Delivery Options Page

Please contact us to confirm availability of special delivery options before placing your order.

Please Note: Items may be left with a neighbour or in a safe place unless you specifically say that you are not happy with this.

Ladders, Security Gates, Step-Over Units and other made to order products are delivered in 7-10 days following acceptance of approval drawings / quotation.

The vast majority of our products are available for next day delivery, however unfortunately some items may occasionally be out of stock. If an item is unavailable or takes longer than average to deliver we endeavour to supply this information with the products description.

If your order contains an item which is out of stock we will contact you before charging the sale to your card details to confirm your preferred course of action.


We are more than happy to except returns as per the criteria set out in our Terms & Conditions

We do ask that customers returning items themselves contact us beforehand to confirm the delivery method, unconfirmed returns will not receive a carriage refund.

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