I've replaced all electrical outlets, switches and their wallplates.
Previous owners had mismatched wall plates and some broken outlets along with a few new ones I've installed so ended up replacing all of them.
Also have the mostly metal ones in the second photo which are assorted. The coaxial, phone, and blank ones are plastic I believe.
There are 2 metallic electrical switch/receptacle boxes. These are extra depending on which ones you need.
I do have several switches/toggles and outlets up for sale as well.
All of these are white nylon (first photo).
One 3 gang toggle wall plate.
Two 2 gang toggle wall plates.
Four 1 gang toggle wall plates.
Two 1 gang rocker wall plates.
Four 1 gang duplex outlet wall plates. (These are little wider)
Thirteen 1 gang duplex outlet wall plates.