This real estate sign frame is made from 1" ribbed angle steel and is powder coated for a durable, porcelain-like finish. Use this angle iron sign frame to promote your real estate listings. The metal sign frame is reinforced with gussets under the footpush to prevent bending and is manufactured with robotic welds for durability and strength. No sharp edges or burrs for your safety! The angle iron sign frame is also known as our Gibralter Frame.