i put it on my black painted metal mail box one star if the shine is on the fritz restore it quickly with a bit of flitz five stars three stars funnel three stars this is a small funnel pictures are difficult to tell size with nothing in the shot to compare it to good shipping it made my vintage gillette 1909 look like new fantastic product saved me from replacing a fixture in it seems to be more harsh than the blue but does do a good job nice product great product gives me a feeling of security regarding easy to work with it works great and ill have plenty for future projects