The Eagle Group A4-63-2172C is a versatile add-on shelving unit designed to enhance your storage capabilities. This 4-tier unit measures 72"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 chrome-plated finish not only provides a sleek appearance but also ensures resistance to corrosion and easy cleaning. This shelving unit is knockdown (KD) for efficient shipping and storage, and it is NSF certified, making it suitable for commercial use.