Please refer to the photos for the measurements****Measures about 4.5" in diameter, the ornate Chain Measures about 16" long. Offered this Vintage heavy solid cast brass /bronze ceiling cap canopy with mounting hardware part set  - a great part to use to hang your lamp or chandelier; the Canopy is a cast brass metal with original gilt finish and very intricate ornate relief detailed casting,  Good condition  - as shown - ready to use-  Please see photos, they are part of description;