Questions (4)  

Question: you guys should make these an off black so we can tell the difference between these and the AP black solid caps...unless i'm missing something???
ArtPrimo: These have a clear stem if you look underneath. The AP cap has a black stem.

Question: will these work on rusto cans?
ArtPrimo: Rusto is male now so no.

Question: Are these skinnier than the AP Micros?
ArtPrimo: slightly.

Question: do they work on coversall
ArtPrimo: they can but they might clog