2 piece panel fasteners/screw covers

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I'm trying to locate some of these plastic fasteners that are used to hold panels in place as well as hide the screw. The bottom piece fits into a hole about 1/2" diameter or so, then you install the screw, then the top piece snaps in like a miniature manhole cover and hides the screw. I need some white ones for my shower. (the gray example in the pics is from my gray dash) Nothing I have seen online will work.

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Well a simple phone call to Mobility RV and they have them and are sending them out. I had no idea it would be that simple.