urtain bracket,curtain accessories,windows decorations We can do each diameter, thickness ... Steel, Stainless steel, Plastic, Aluminium alloy , Zinc alloy and so on.2) Color: Zinc, Brush Nickel, Chrome, Satin Nickel, Black, ... Anti-Brass, Anti-Copper and so on.3) Diameter: 16/19/22/25/28/32/35mm4) Thickness ... surface treatment, color, size, just as your requests. curtain bracket