... 25/28mm 2.Meterial:high-quality 3.OEM is acceptable 4.factory price Welcome to BH:)Whole Set Curtain Rod IncludingHome decoration ... material : iron, zinc alloy, aluminum alloy, plastic , resin ,wooden, crystal 2. diameter: for the rod 13mm,16mm,19mm,22mm,25mm,28mm,35mm ... according to your requirement for any size, any color with good quality. Thank you for your visit! black nickel metal curtain rod ...