Aluminum alloy ends, steel poles and steel brackets. 5/8 inch rod diameter ensures handling heavy draperies up to 25 pounds. Wrap curtains around window from end to end, blocking out light while insulating the room. 5/8 inch diameter rod adjusts from 65 to 120 inches excluding finials and projects 2.4 inches. All dimensions are shown in the last image (Size Guide). Mounting type: Ceiling mounted and wall mounted. Comes with mounting hardware, including screws, anchors, and installation instructions.