Size -- This product is suitable for curtain rods with diameters of 28-33mm.Material -- Curtain Rod Brackets is Made of aluminum alloy,light weight and durable,sturdy and hefty, rust resistant,ensuring quality and longevity.Advantage -- The Curtain Rod Brackets is designed of two plastic buckles,not only can help to protect rod but also fix the curtain rod firmly.Usage -- Curtain Rod Brackets Can be used for window curtain rod,drapery rod,door curtain rod,single drapery rod,bracket for curtains holders.colour: blackMaterial: aluminum alloysize: 8x11cmPackage Contents:8xCurtain Rod4xScrew Accessories PackageOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.