Aluminum alloy ends, steel poles and steel brackets. Strong metal and 7/8 inch rod diameter ensure handling heavy draperies up to 30 pounds. Industry design ends wrap curtains around window from end to end, blocking out light while insulating the room. 7/8 inch diameter rod projects 2.7 inches. All dimensions are shown in the last image. All hardware for installation are included. Can be wall or ceiling mounted. The design combines modern and industrial style.