3 Pack Black Curtain Poles Metal, Industrial Curtain Rod for Eyelet Curtains, Industrial Curtain Pole for Windows 122cm-218cm, Room Divider Curtain Pole.STURDY & DURABLE Our black curtain poles with a diameter of 2cm and a thickness of 0. 8 mm, which is thicker than most products, those pipes are connected by helical threads, which makes this heavy duty curtain rod more sturdy, stable and durable, and will reduce risk of bending and sagging. The curtain rod for window can hold up to 28 pounds, so it can be compatible for light, medium or heavy weight draperies or curtains. You don't need to replace it