Improved High Quality Brackets. Our upgraded curtain brackets are much thicker, stronger and more durable than the old “U” shape brackets. Durable & Sturdy, Use It For Years. 1 inch diameter curtain rod size, all metal made including the end caps, electroplate coating, no fading, no rust, look brand new even after using for years. 2 Install Methods. With the strong brackets, your window rods can be solidly and easily installed for no matter wall mounted or ceiling mounted. Adjustable size. This industrial window rods can be screwed together and adjust the final extendable rod up to 144 inches according to your needed size for indoor & outdoor. Helical splicing to connect is much more stronger than extentable rods. For Heavy Fabrics. Bigger diameter and upgraded thicker poles allows our heavy duty curtain rods hold up to 50lbs. No worries even when you need to air dry the washed curtains.