Baffle easily installs to bird feeder poles and shepherd hooks; includes a metal coupler for secure positioning. No need to move pole or feeders for assembly; simply wrap baffle around your current bird feeding setup. Durable steel construction with weather-resistant finish. Fits poles with diameter of 1/2 inch to 1 1/2 inch. Everything for hanging or pole mounting included: 18-inch metal baffle, 1 pole adapter, and 2 screws.