These are brackets for attaching blinds, roller screens, shades, etc. to the existing curtain rail. You need as many as there are brackets. Although new, there may be minor scratches or uneven coloring due to the nature of the material. ① Size is approximately 19mm x 15mm x 5mm. Set of 3. Tachikawa Nichibei Toso Nitori Mujirushi (MUJI) Sangetsu Season: All Season