Choice of lanyard end carabiner for a work positioning lanyard - Petzl Sweden

Choice of lanyard end carabiner for a work positioning lanyard


  • Carefully read the Instructions for Use used in this technical advice before consulting the advice itself. You must have already read and understood the information in the Instructions for Use to be able to understand this supplementary information.
  • Mastering these techniques requires specific training. Work with a professional to confirm your ability to perform these techniques safely and independently before attempting them unsupervised.
  • We provide examples of techniques related to your activity. There may be others that we do not describe here.
Carabiner choice

Key issues and risks

The anchors encountered can have variable dimensions,the carabiner shape must be suitable.

Carabiner operation must be rapid, to facilitate attachment to anchors.

At the moment of attachment, the user has the carabiner in hand, and so is able to check that the carabiner is correctly positioned.

During work, monitoring carabiners in use can be difficult.

The most important risks to consider

The most important risks to consider

Recommendation on carabiner and accessories

Use a VERTIGO TWIST-LOCK with a positioning system (STRING, TANGA, plastic sleeve).




Why this choice?


• The VERTIGO's shape provides a wide opening

• The TWIST-LOCK system provides a good balance between speed of operation and security

• Ergonomics may be prioritized for the lanyard end carabiner, as the user must use a backup belay system in addition to the work positioning lanyard

Positioning system

• The carabiner positioning system helps correctly position the carabiner, but also facilitates clipping as it rigidifies the lanyard/carabiner assembly

Precautions for use

Precautions for use

• When clipping, check that the carabiner is correctly positioned in the anchor, and that the sleeve is completely locked

• Plan your movements during use to anticipate the movement of the carabiners and the risks of poor positioning

• Make sure to have another lanyard clipped in, or another belay system, before moving your lanyard from one anchor to another


- TRIACT-LOCK or BALL-LOCK can be used for this application, giving reduced ergonomics, but better locking security

- SCREW-LOCK can be used for this application, beware of the risk of forgetting to lock the sleeve at each operation. The unscrewing direction is always down, so the sleeve can become unscrewed in case of prolonged use on the same anchorage