Are any of you guys using this? Do you do before or after you blue? Does it work OK? Thanks!

Could you be referring to the Etch-O-Matic? I've not seen it used but I suppose it would work.

I use a Cronite system, whereby the letters are nicely etched and yes...it can be done after bluing

Sorry guys, I read the header and this was the first thing that popped into my mind:





If nothing else, I bet your systems are faster!