The WBT4-1836-63 Jaken Black Wire Add-On provides robust, adjustable storage for any setting, including warehouses and laboratories. Crafted from durable, powder-coated steel, this 18" x 36" x 63" unit features four ventilated shelves for optimal airflow and visibility. Its boltless design ensures easy assembly, making it perfect for maximizing floor-space efficiency in retail stockrooms and shipping areas.