The WBC4-1872-63 Jaken adjustable black mobile wire shelving unit is ideal for industrial and warehouse use, measuring 18" D x 72" W x 63" H. Featuring four adjustable, heavy-gauge steel wire shelves with a sturdy powder-coat finish, this boltless assembly ensures easy installation and efficient storage. Perfect for backrooms, retail stockrooms, and fulfillment centers, it enhances visibility and airflow while handling heavy loads up to 300 lbs per shelf.