Please refer to the photos for the measurements****Measures about 4.75" in diameter, the ornate chain Measures about 15" long. (if a longer chain is needed- just let me know). Vintage heavy solid cast brass /bronze ceiling canopy with mounting hardware part set - a great part to use to hang your lamp or chandelier; the Canopy has an original finish with old patina  look and very intricate ornate relief detailed casting. Good condition  - as shown - ready to use-  Please see photos, they are part of description; the auction is for one set as shown.  I do have a matching mate canopy set listed with this item, so you can buy a pair if need more than one set;  I have many more brass caps listed separately on my other auctions- so please check if interested in more; Please email with questions before bidding, thank you! I DO COMBINE SHIPPING  ***