This metal downspout attaches to your metal or plastic feeder barrel and helps direct the feed onto the spinner plate. Just a hole cut in the barrel can lead to wasted feed or wind-driven water penetration into the barrel. Use three self-tapping screws (not included) to install in minutes! Measures 1 3/4" at the bottom of the spout, 2 3/4" at the top of the spout (where it meets the barrel), 3 3/4" across the flange, and is 2" tall.