Hammered Solid Copper BirdbathHammered Solid Copper Birdbath This simple Rail Mounted 14" Hammered Solid Copper Birdbath bowl is a classic garden accent. The wide rim lets birds perch while drinking and bathing for close observation. 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