This photo etch set from Voyager Model is available directly from Lucky Model.com

Voyager Model of China is a manufacturer of some of the best photo-etched metal and resin detail parts in the industry! They are, as it says right on the box, "The Best Upgrade Solution!"

This set gives you delicate 1/48 Tiger I Early Version Grills,  These would give your model a much more detailed and finer level of detail in this critical area.