The Hammond RM4U19BKFP Front/Rear Panel is designed for 4U enclosures, measuring 16.35 inches in width. This panel is made from durable materials, ensuring a long-lasting and secure fit for your rackmount equipment. Its sleek black finish provides a professional appearance, making it suitable for various applications. The panel is easy to install and compatible with standard 19-inch rackmount systems, enhancing the organization and accessibility of your equipment. Ideal for server racks and audio equipment, this panel is a must-have for any tech setup.