[polishdon]

Buy yourself a piece of stainless and cut your own out.

I've used this template before, works great:

http://home.comcast.net/~day_trippr/...r/damper_3.pdf

if you look about half way down on this write up you'll see how to do it:

http://home.comcast.net/~day_trippr/smoker_mods.htm