This bracket is designed only to be used with any 3 ft wide banner flags when you are attaching them to both sides of a light pole. Use this bracket when attaching the following products to both sides of a light pole: 280SI, 280DB, 351SI, 351DB, 388. This pole bracket is easy to install and very durable. Bracket & pole are made of non-corrosive, non-rust aluminum. Each bracket comes with two stainless steel straps, two pole end caps, a bracket and one 6ft. 4″ x 1″ pole. This bracket will fit any 3″ to 10″ diameter round pole.