I picked up a Lamiglas Classic Glass CG86MHC. Everywhere I can find online says it's rated 10-20#, but the one I got is 8-20#. I'm fine with that since I was originally going in for the 82 (but out of stock). I'm curious now. Is this an older blank? Did Lamiglas just change the rating?

http://www.lamiglas.com/?page_id=281