The Eagle Group A4-74-2130C is a versatile add-on shelving unit designed for efficient storage solutions. This 4-tier unit measures 30"W x 21"D x 74"H and features durable wire shelves constructed with a patented QuadTruss® design for enhanced strength and stability. It includes two 74"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 easy assembly and is NSF certified, making it suitable for commercial and industrial use.