The Eagle Group A4-63-2136V is a versatile add-on shelving unit designed for efficient storage solutions. This 4-tier unit measures 36"W x 21"D x 63"H and features durable wire shelves constructed with a patented QuadTruss® design for enhanced 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 provides a sleek look while ensuring resistance to corrosion and wear. This shelving unit is knockdown (KD) for easy assembly and is NSF certified, making it suitable for commercial and industrial environments.