I did the door latches with Krylon two part, paint/prime in Satin Black. Came out amazing. Minimal prep other than scuffing and cleaning. Truth told, this two part paint is why I have not used the SEM Trim PaintThe sound bar and exterior door trim pieces. Make sure and scuff the piece, use an adhesion promoter, then paint with SEM. Actually, for better results follow exactly the procedure they recommend.