The Eagle Group A4-63-1830Z is a versatile add-on shelving unit designed to enhance your storage capabilities. This 4-tier unit measures 30"W x 18"D x 63"H and features durable wire shelves constructed with a patented QuadTruss® design for optimal strength and stability. It includes two 63"H posts and two "S" hooks per shelf for secure hanging options. The EAGLEbrite® zinc finish provides excellent corrosion resistance, ensuring longevity in various environments. This shelving unit is also KD (knockdown) for easy assembly and is NSF certified, making it suitable for commercial use.