Aluminum alloy ends, steel poles and steel brackets. All-Metal design and 5/8 inch rod diameter ensure handling heavy draperies up to 22 pounds. Industry design ends wrap curtains around window from end to end, blocking light out while insulating the room. Projects 2.4 inches. All dimensions are shown in the last image (Size Guide). Can be wall or ceiling mounted. Flange design combines modern and industrial style. Comes with mounting hardware, including screws, anchors, and installation instructions.