Display the 18-inch by 18-inch street signs in your neighborhood, community or housing development in a stylish way. This Aluminum Sign Frame is perfect for moderately sized square street signs and has attractive corner edges that put a polished look on signage. Highly versatile, the sign frame mounts on poles that are round and 2-3/8 inches in size or square and between 1-1/2 and 6 inches in size. Choose from our silver Natural Mill finish or our Black powder coated finish to suit your tastes. If you're ordering a large volume of signs, contact us about special discount bulk pricing.