Aluminium carabiner Petzl "OK" In stock


Aluminium screw carabiner for light primitiv slackline system !

Oval shape and symetric, ideal for slacklining.

In details

Livraison Offerte dés 160€
Free delivery from 160€
Conseil téléphonique / chat en direct / email
Telephone advice / live chat / email
Satisfait ou remboursé 14 jours
Satisfied or refunded 14 days
Garantie 2 ans
2 years warranty

This aluminium carabiner is perfect for a light and comfort slackline kit !
Perfect for a light primitiv system.

2,4 times lighter than a steel carabiner !

With his 25kN resistance and his symmetric oval shape, he is perfect for a slackline use, especially in the Primitiv Kits
The webbing passes trough it with ease. Connecting slings is ultra easy. A must have for kits over 50m in length. Above 50m or with a pulley system, we strongly recommend the use of shackles.

Technical specifications

  • PPE Certification
  • Composition : aluminium
  • Form : Oval symmetric
  • Screw-lock gate :
    • easy to open. A red visual indicator shows that the carabiner is not locked
  • Working Load Limit (WLL) : 7 kN 
  • Breaking Load Limit (BLL) big axe : 25 kN
  • Breaking Load Limit (BLL) small axe: 8 kN
  • Weight : 70 g
  • More info on

Using advices

  • Unlock (unscrew) the ring of the screw carabiners before unset your slackline to avoid blocking the mechanism induced by the deformation under tension.
  • Useful to connect slings to the slackline and for Primitiv Kits
  • Use it only in the right direction - never sideways
    • Triloading : Avoid to use it when your sling is connected round a big tree. If you still do it, it will affect the resistance of the carabiner due to a triload force which can lead to the break of the carabiner.

    • aluminium carabiner slackline light


  • DO NOT USE IN CLIMBING ONCE IT AS USE IN SLACKLINE - this PETZL carabiner is Personal Protective Equipment (PPE) approved ONLY if used under normal conditions : climbing.
    But once used in slackline, it is imperative that you do not use it in climbing.
    - The slackline material is ONLY used for slacklining -
  • Trickline / Jumpline forbidden - Use shackles instead
    NEVER USE ALUMINUM MATERIALS. It can break due to cycling failure.
  • Lines longer than 50m.
  • Triloading


Slacklining and more particularly Highline (in the void, secured by a harness) are sports practices that have no normative or regulatory framework for the manufacture of the material as well as for its installation.

This is why we do not guarantee our own equipment for highline use.
Our products are tested within our company and independent laboratories (mentioned on the product page) via a process that evolves with practice.

These resistance tests have no legal value, they aim to ensure the safety, resistance and comfort of use of our equipment - in the context of our practice.

It is the responsibility of the practitioner to choose the equipment with the appropriate resistance and to have the necessary experience to adapt the installation to his practice.
And to use appropriate equipment to secure oneself if necessary, such as PPE equipment (climbing gear, ropes, etc.).


  • Do not install your slackline across a path, trail or place of passage
  • Do not install your slackline more than 2m from the ground without securing yourself with PPE equipment
  • Practice on grassy or cushioned ground free of any protruding objects or objects that could cause injury
  • Do a back up = secure your tension system
  • Never use a ratchet for highline practice
  • Never install your slackline on urban furniture (benches, lampposts, barriers, etc.)

Safety regarding highlining

It is the responsibility of the practitioner to use appropriate equipment to secure oneself if necessary, such as PPE (climbing equipment, ropes, etc.).

In NO CASE is slackline equipment designed to secure itself. For the lifeline - called backup - we advise to use only PPE standard material (climbing material, ropes, etc).
Unless expressly mentioned, no slackline element can be considered as PPE (personal protective equipment) for sports and leisure activities


You can find more information on our website

  • ----------------

    Slackline Safety - back up guide - protect your set up and yourself.

    slackline safety the backup securing


    How to determine the tension in your slackline ?

    • Our spreadsheet :
      Thanks to the following sheet, you will be able to approximately know the tension into your gear (slings, shackle, slackline, etc.). You will then know if you are using it correctly, meaning correctly regarding the using advices and most important the strength limits.
      Click there to see the sheet and enter your datas : calculate slackline tension 

    • The Linescale dynamometer
      This product allows you to mesure exactly what is the tension into your equipment.

    Slackline dynamometer linescale 3.0