The Eagle Group A4-63-2142Z is a versatile add-on shelving unit designed to enhance your storage capabilities. This 4-tier unit measures 42"W x 21"D x 63"H and features durable wire shelves constructed with a patented QuadTruss® design for superior strength and stability. It includes two 63"H posts and two "S" hooks per shelf for added convenience. The EAGLEbrite® zinc finish ensures resistance to corrosion and enhances longevity. This shelving unit is knockdown (KD) for easy assembly and is NSF certified, making it suitable for commercial use.