I ordered these PTFE coated carbon steel treet durasharp from connaughtshaving, together with my Icoloniali soap.
I loaded it yesterday in merkur HD - it was a fantastic BBS, with a pleasant mild and smooth shave.
Today I loaded the same blade into fatip grande which has been giving me trouble (astra SP, astra SS and a few other blades). Again, together with Icoloniali and whippeddog silvertip, I got an excellent smooth shave, with the blade exhibiting its mild characteristic.
This blade, together with its cousin treet platinum, IMO, are excellent blades for those who are looking for mild but effective blades. And they are not expensive to boot! I've finally found a match for my 'idling' fatip
Its cousin, the platinum: