According to "Hochtouren in den Ostalpen" (Schmitt & Pusch) the grade is AD.
AFAIK the "Thenius-Haken" have been cut off and have been replaced by bolts
Thank you for the information. I changed the description
if we would had this before doing the route....:)
Hi, thank you for your comment. The link you give leads to the same topo I had linked to. But unfortunately the link was broken because bergsteigen.at had changed to bergsteigen.com. Now the bug is fixed.