Bogdan Cardoş asked Petzl how strong the metal eye was on the atc guide since it is a single point of failure. They replied with "There is no standard requirement to communicate and breaking strength of the attachment point. The product has been designed to be used as described in the technical instruction. It is certified according to the EN standards so we don't have to communicate the breaking strength of the Reverso. Thank you for your TRUST"

Petzl is right, they don't have to tell you and it is probably super good enough, but trust? Trust is overrated, so I took my personal Petzl Reverso 4 and pulled it to destruction. Also, because we had them, we tested the Black Diamond ATC Guide and the smaller Black Diamond ATC Alpine Guide.

Our results:
NOTE: The 10.0mm static BD rope used in the following tests breaks in a figure 8 at at 17kn
►PETZL REVERSO 4 (https://amzn.to/3kzl4hW)
*Normal belay mode: slips while holding tail at 2kn and 2.5kn
*Normal belay mode: breaks rope at 10.64kn with tail at 3.12kn
*Double rope "rappel": breaks ropes at 19.59kn with tail at 6.49kn
*Wire breaks at 7.62kn
*Guide eye breaks at 12.41
►BLACK DIAMOND ATC GUIDE (https://amzn.to/3ze9D3i)
*In guide mode, rope slips at 5.5kn and 6.94kn
*In normal belay mode, slips at 2.44kn and breaks at 9.45kn
*Wire came out at 6.65kn
*Eye broke at 29.07kn
►BLACK DIAMOND ATC ALPINE GUIDE (https://amzn.to/2V0PwH2)
*Eye broke at 30.11kn

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Petzl's Letter
02:13 New Load Cell
02:42 Petzl Reverso with ropes
08:09 Petzl Reverso cable
09:07 Petzl Reverso EYE
12:01 BD ATC Guide with ropes
15:37 BD ATC Guide cable and eye
16:42 BD ATC ALPINE Guide eye
18:15 Bonus content