It takes a long time to cut a 12mm iron disc, resulting in the color of the disc igniting and swelling. The disc does not cut even after several supposed cleanings.

I have worked with many other companies but these are the best for me. For example, Bosch blades cut well at the beginning but when they get a little worn on thick iron, they jump. The Rhodius blades that I tried are also good but hard, resulting in slower cutting. DeWalt blades are very efficient and do not "jump" on the iron. They wear relatively quickly compared to Rhodius, but personally, I feel better using them on the wheel.

The first contact with this specific disc was not the best... at high speeds on a 1200w angle grinder, it broke in front... and both were from a 10-piece package. I don't question the brand... but they are not like Rhodius (made in Germany).

Very good discs. Used on concrete walls without any problem and little wear. I have never broken a disc, while other cheaper ones broke two, one after the other, and I threw away the rest.

I used to buy supposedly good discs from Wurth.
They were the best.
But they would break or open up like a carnation.
I bought these discs once and I won't change them again, they are superior in quality and one-third of the price.
In one year, I have broken 10 of them, while with others, I would have definitely broken 25-30.

I used it to cut rebar and it cut through like butter without much effort. I also got another disc from my local hardware store for comparison, and even though it was recommended to me as a good one from Slovenia, it wore out after the first 5 bars