Quote Originally Posted by HunterCO
I am not 100% positive but I think the difference is the old wolf was lacquer coated and the new stuff is polymer coated. Polymer is better, lacquer can glue a case into a really hot chamber I have seen it happen.

That's my uneducated guess anyway. :mrgreen:
you are correct the old laquer coated stuff is green tinted one and the new poly coated stuff is grey, and much more reliable. (classic and new production black box are both poly coated according to their website)