Quote Originally Posted by JimmyHAD View Post
I've got the 20mm Naniwas and the 15mm Shapton pros. IME either of these polymer resin based hones have to be flattened every honing session. It is a very slight amount and some people might use them without flattening but if you put a pencil grid on them you'll find that over a day or two they will change and will need lapping to be absolutely flat.
Himmmmmmmmmm
Is this a new Problem?
Jimmy you know my mailing address just ship every single Naniwa's i will handle that problem. don't need shapton's.