How about Shapton stones? They go up to 30,000. www.shapton.com

Bernie

"Joe Bleau" wrote in message
...
On Mon, 14 Feb 2005 10:50:17 -0800, "J" wrote:



1800 is not really extra fine is it? I'd call something like 8000 extra
fine.

Well, if you should find a ceramic stone finer than 1800 please let us
know.

Joe