This Metal Hinged Catalog Rack is made of sturdy heavy metal & stands at a 45 degree reading angle, making it the ideal unit for close desk & counter use. The adjustable wings permit great flexibility, from a few inches to full filing capacity. Features a durable gray finish, a base & two wings. Any add-on base can be positioned next to any other add-on base of the same angle. Each unit consists of a base & two wings. Sections are not included, but are available separately.