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 33 to 45 inches excluding finials and projects 2.4 inches. All dimensions are shown in the last image (Size Guide). Comes with mounting hardware, including screws, anchors, and installation instructions. 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 33 to 45 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.