The Eagle Group A4-63-2142S 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 stainless steel finish ensures a sleek appearance while providing resistance to corrosion and easy cleaning. This shelving unit is knockdown (KD) for efficient shipping and storage and is NSF certified, making it suitable for commercial use.