I didn't pop the rivets, so I don't know the ID of those holes and my mount hole at the top has been drilled out for bolts, so I have no idea if it is correct or not.
It is currently 5/8", but don't assume that is right.
Let me know if you need sny other dimensions.
Last edited by Fibonachu; 09/20/20231:06 AM. Reason: corrected hole diameter