I got a tube,
I found that it works best on surfaces that are cleaned but show discoloration from something.
Like the hubs on my GS where it's stained black and shy of media blasting it I've not been able to get the gunk off.
It's decent stuff and it has it's place but it doesn't make something that's nasty and dirty suddenly all clean and bright looking.
It will even out the finish on some lower grade polished aluminum. I wonder how well the black would be at doing the black plated fasteners and bits, the kind that fade to med. gray.
On vacation for a spell