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Petzl VERTIGO Twist-Lock Karabiner


The Petzl VERTIGO TWIST-LOCK karabiner is designed for use on progression lanyards for ropes courses or work. Its ergonomic design and automatic locking system facilitates easy use when passing intermediate anchors. The wide opening and the Keylock system allow the karabiner to be easily connected to most lanyards and systems.

From a rope accessperspective, this is the recommended karabiner for Petzl Progress Lanyards and Grillon's.


  •  Designed for use at the end of a PROGRESS lanyard
  • Facilitates manipulations when passing intermediate anchors
    - ergonomic shape for excellent grip
    - TWIST-LOCK automatic locking system is easy to use. It is unlocked by a simple rotation
    - wide opening for easy connection of the carabiner
    - Keylock system to avoid any involuntary snagging of the carabiner
  • Simplified inspection:
    - H profile protects markings from abrasion
    - identification with Datamatrix code for quick inspection of product


Weight:    100 grams

Gate:         Twist-Lock

Long Axis:   25 kN

Minor Axis:   10 kN

Open Gate:     8kN

Gate Opening:   25mm

Standards:      CE EN 362


Model:   M40A RLA

Shipping For This Item:

This item qualifies for FREE SHIPPING (in orders over $199) or low-cost $14.90 shipping (orders under $199).

About Shipping:

  • FREE SHIPPING on most orders, when spending over $199! (if all non-bulky items)
  • Orders under $199 are $14.90 shipping (if all non-bulky items)
  • Even if it's not free-shipping, you only pay one shipping-fee per order, so fill up that shopping cart!

REMOTE AREAS: (e.g. offshore islands, mining sites, far north WA/QLD)
If you order to an extremely remote area, we may need to contact you to manually confirm or adjust the shipping amount; you'll have the choice to proceed or cancel-refund.

View our shipping policies in detail here