Large! iron rings (same site as fireplace tool)

[BlackX]

Friend found these also. Cans tossed in for scale. (Left on the site tucked into the foundation in case they're something worth going back for.) One's a little bigger than the other. What in the world would they be for? (Support non-legged kettles? Something to do with very large pipes? Other?)

 

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[Bigcypresshunter]

I would like to see a pic of the two different size rings put one inside the other. They look to me to be very close in diameter. It looks to be only a slight difference.

 

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