... "efficient ,precise, innovation, unity and happiness ,"we adhere to the "professional technology to create first-class quality, scientific management, tree ... . One set including (Choice 1): Single Curtain Rod(1)Single Pole Diam: 5mm ,7mm,8mm,10mm,13mm,16mm,19mm,22mm,25mm ... . One set including (Choice 2): Extendible Curtain Rod(1). Extendable pole diam: 5/7mm,8/10mm,13/16mm,16/19mm,22 ...