The RM4U22BKSP Side Panel from Hammond Manufacturing is a 22-inch black side panel designed for use with RM4U racks. This panel is made from high-quality steel, providing strength and durability while maintaining a sleek appearance. It is compatible with standard 19-inch rack systems, making it an ideal choice for organizing and securing equipment in server rooms or data centers. The panel features a powder-coated finish for added protection against scratches and corrosion, ensuring a long-lasting solution for your rack mounting needs.