1.ADJUSTABLE CURTAIN ROD: The 1 inch diameter curtain rods consist of 2-piece sleeve pipes, retractable from 28 to 48 inches (2.3-4 feet). Measure your windows and choose a curtain rod that is 2-4 inches shorter than the maximum length of your window frame for the effect 2.STURDY FOR HEAVY CURTAINS: Our 1 inch size [25mm outer diameter, 0.6 mm thickness] features our specially-selected high-strength steel pipe to bear the weight of most window draperies. Our rods feature a two-part linking design for superior strength and durability, minimizing the risk of bending or warping. For heavy-duty drapery and blackout drapery, our rods have a maximum weight capacity up to 22 lbs. 3.SLEEK DESIGN: The elegant cap finial and modern matte finish of our black telescoping curtain rod add a touch of sophistication to any modern room decor. It creates a subtle contrast against light-colored walls and is a great match for other deep color hardware in the home. 4.EASY INSTALLATION: Our curtain rod set comes with all wall mounting hardware, including brackets, screws, anchors, and a detailed manual for easy installation, making the process a breeze.