On Sat, 08 May 2010 15:37:56 -0500, Ignoramus9556
wrote:



I do not know,the web page talks about "bluing"?

I can assure you the finish it puts on cold rolled 1018 is as black as
can be. How much it'll differ on other steels I can't say.

See this under Feature #6 on Brownell's page:
"...rub the bright areas briskly and they are as black as before, but
tougher."

--
Ned Simmons