Morningstar MC6 Topper Buttons

I ordered some toppers for my MC6, I got them here and found out the holes are too big, they just wobble around and fall off…
It looks like they are 11mm holes what do I need?

I got these:

I think it depends on the switch type used in your particular MC. Try Switch Toppers for MC6/MC8 flat-top switches - #8 by jules6120