Solidify the importance of a commercial or residential message with street sign frames that accentuate and define. Made from durable aluminum, each frame is available in a powder-coated black or natural-mill finish - perfect for personal display or commercial signage. The edges are rounded to ensure safety, and the aluminum is thick to guarantee your sign remains sturdily in place. There are also numerous ways to convey your important message with these street sign frames - one of them being a mounting on an industrial standard pole. Furthermore, each of these frames features a backing of 4 crisscross aluminum arms, making it easier to secure and remove signs. Fits round poles 2 3/8-inch diameter or 1 .5-6" square posts.