These blades are very cheap, but I can 't shave them a third time. Only twice. So I have a lot of them.I remove the cutting edge with a grinding wheel. Never used NACET. I will buy these blades.
Thanks Sergey.
Saverio from Italy
I can assume that the thickness of modern blades is not very different, and any wrong blade can be used.
Let your shaving shave bring you pleasure.