curtain accessory Curtain accessories and hardware , window accessories, curtain rod, curtain hook,curtain products Material: iron. Color: as customers requires. Diameter: 16mm/19mm/22mm/25mm/28mm. Rod thickness: 0.6mm/0.7mm/0.8mm. Surface treatment: electroplating(nickel,zinc,chrome,copper and brass), spray-painted(black or white).. thanks!