A beautifully ornate working cast iron antique round floor grate measuring 11-1/2" in diameter.  The diameter of the louvre part that would fit in the hole is 9-15/16" to 10" (it is very hard to photograph). There are no cracks or missing pieces, the louvres open and close as they should. Please refer to the pictures for content and description, feel free to ask any questions prior to purchasing.