Wheel locks

Does anyone else have any experience with these?
What is the size I need to get or are they all standard?
Thanks..
I had a set of ??? wheel locks way back when and noticed one day when I was polishing the caps, that several of my caps had a very small half-ring of a dent pushed out on them in several places, finally realized that the edge of the lock-nuts was touching part way around (I think it was the outside edge) leaving the marks. And I just thumped them on by hand...

Mooser




