The Eagle Group A4-63-2148V is a versatile add-on shelving unit designed to enhance your storage capabilities. This 4-tier unit measures 48"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 VALU-MASTER® pewter gray epoxy finish not only provides a sleek appearance but also ensures resistance to corrosion and wear. This shelving unit is knockdown (KD) for easy assembly and is NSF certified, making it suitable for various commercial and industrial applications.