. Components are designed to clear off flat work surfaces, providing maximum organization. Easily mount on partitions or walls that are 1 1/2" to 3" thick. The Step File features six 1" compartments. Triple tray holds letter size documents. Hanging Folder File accommodates up to 6" of material. Double coat hook provides handy access to overcoats, sweaters and jackets. The Binder Rack holds 4" of binders and books. Add-on pocket allows unlimited expandability of the Triple File Pocket. Black.