In reply to Roberttaylor:
From the Reverso PDF Instructions on the Petzl Webste
3. Inspection, points to verify
Before each use
Verify that the product is free of cracks, deformation, marks, wear, corrosion, etc.
Pay particular attention to sharp edges that can develop with use.
Consult the details of the inspection procedure to be carried out for each item on
the Web at www.petzl.com or on the PETZL PPE CD-ROM. Contact PETZL if there
is any doubt about the condition of this product.