2004 F-150 SVT Lightning Interior
 

I recently replaces the speakers in my 2004 Lightning. In the process I trashed or lost a few of the retainer clips that holds the trim in the rear of the cab in place. They are round with a pin in the middle that when pushed in lock the clips into place, kind of like a hollow wall anchor. Does anyone know what these types of retainers are called and where I can buy new ones?

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I found the part at FordParts.com. Part Number F65Z-15310A00-AD. Interior Retainer Kit.