they are just electrical wall plate screws buy a bag of black and never run out
https://www.google.com/search?q=ele...AwCIBgGQBgiSBwM2LjGgB4Me&sclient=gws-wiz-serp
https://www.google.com/search?q=ele...AwCIBgGQBgiSBwM2LjGgB4Me&sclient=gws-wiz-serp