Help Identifying Interior Panel Clip - Fastener

[CFLBronco]

Hello Everybody - Thanks to the great help on this site, I was comfortable popping panels to get some wiring for an amplifier completed. However, during the process, I broke 2 clips \ fasteners.
Below are pics showing the ones I've broken.
Can anybody help me identify what these are exactly and hopefully, where I can buy replacements?

Thanks to members here for a couple of the pics.
Thank you in advance for any information.

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