Contents: 2U blank panel x10, M6 screws x60, M6 plastic washers x60, M6 cage nuts x60 Dimensions: 3.5 in H x 19 in W x 0.39 in D Designed to cover empty spaces, maintain proper airflow and keep dust out of your rack Constructed from high quality cold rolled steel with a durable black electro-static powder coated finish EIA/ECA-310 compatible; Fits standard 19-inch server racks, enclosures and cabinets