This over railing polished copper birdbath is a simple hammered copper birdbath bowl with a handrail bracket. The shallow bowl has a round hammered or "peened" Texture & an antique copper finish that will patina naturally. A threaded base on the underside of the bowl attaches to the center of the wrought iron railing bracket. Ideal for bird-watching on porches, balconies or decks, The wrought iron bracket has c-type clamp that holds the bracket to a deck or handrail without need for drilling or permanent mounting. Fits over railing to 5 1/2" Wide & designed with ample clearance for a curved top handrail.