The WBT4-2436-63 Jaken Black Wire Add-On is perfect for expanding existing mobile or starter shelving units. With a 24" x 36" footprint and approximately 63" height, its open-wire design ensures airflow and minimizes dust buildup. Constructed from durable steel, this add-on supports heavy-duty storage needs while being easy to install without tools. Ideal for industrial and warehouse settings, it enhances visibility and air circulation for efficient organization.