I received DMT files today.
It is the first time to use long diamond files.
And I'm so disappointed with them.
None of them are flat.
I was able to notice it even with the naked eye.
How about Toko, Swix, T4B, Sidecut, and Moonflex?
Pretty flat? or similar with DMT?
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I have found the same. Gives me impetus to create my own diamond files using the thick aluminum stock and KGS paper, that will fit in my base bevel guides.