Designed for use in networking, server and A/V equipment setups, this Middle Atlantic blank steel panel is a19" EIA-compliant standard rackmount. Its purpose is to cover open slots in server, audio or video equipment racks for proper airflow management and a clean appearance. Constructed from heavy-duty 14-gauge steel and features a flat black powder coat finish. Also included: a dozen (12) Middle Atlantic branded threaded black rackscrews with trim heads (the panel is flat and not flanged, using these specific screws ensures the hardware sits flush, prevents "rack rash" scratches and presents a uniform look.) Buyers receive -discounted shipping rate. From the personal collection of my late husband, a broadcast engineer who loved his life in radio. Thank you for looking and good luck in all of your transactions.