The WBT4-2436-74 Jaken Black Wire Add-On is a robust four-shelf shelving unit designed for commercial and light-industrial settings. Its open-wire steel construction promotes airflow while reducing dust accumulation. Featuring a durable black powder coat finish, it offers adjustable shelves in 1" increments for versatile storage solutions. Ideal for warehouses, retail stockrooms, and e-commerce fulfillment, this add-on ensures efficient organization and easy assembly with boltless design.