How are year one 10" brake Drums?

How much do year one 10" drums look like the old ones you take off,.. Do they have the groves for the lug studs?... Wish they had pics of the 10", Not in less I can see what I'm buying, I don't buy!

I think I may need some for my 72 Dart!



https://www.yearone.com/Product/1966-74-a-b-e-body/bg568