STRING, installation and precautions - Petzl United Kingdom

STRING, installation and precautions


  • 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.


STRING installationSTRING installation


Function: holding carabiners in position

A carabiner is strongest when loaded on its major axis, with the gate closed.

Loading a carabiner in any other way is dangerous.

Function: holding carabiners in positionFunction: holding carabiners in position



STRING installation precautionsSTRING installation precautions

STRING installation precautions

STRING installation precautionsSTRING installation precautions