Vintage 12 1/2" Diameter Galvanized / Bronze Portlight / Port Light / PortholeThe cover is galvanized. The base is bronze. The glass is in good condition however it has come loose from the frame so would need to be redone to fit properly. One dog is slightly bent it still turns and shuts completely. 12 1 2" inside mounting diameter 16 3 4" total outside diameter bolt holes are 1 2" diameter x 3 3 4" width apart 5 3 4" total height with the dogs We can ship.