This 4-foot long aluminum flat bar measures 1-1/2 inches wide by 1/4 inch thick and is made from high-quality 6063-T6 aluminum alloy. Known for its excellent corrosion resistance and structural strength, this flat bar is ideal for a wide range of applications—both residential and industrial. Whether you're working on brackets, supports, architectural trim, signage frames, or general fabrication, this lightweight yet durable material is easy to cut, weld, and machine. The smooth surface finish allows for direct installation or further customization. Made in the USA for quality you can trust.