Deck Mounted Single Bird Feeder - Copper and Wrought Iron Wrought iron and copper bird feeder features a beautiful 12" spun copper bowl. The vines and textured leaves provide perches for your resting birds. Deck clamp fits over 2"x4" deck rail and also 1" thick drink rail. 3 small holes allow for drainage. 100% Handcrafted in the U.S.A. Made of copper and wrought iron.