Roller blind holder window kit: package contains 1 set of roller blind holder window, including brackets, coupling, and other accessories. A sufficient quantity is provided to meet standard roller blind fixture requirements. Size: mounting kit fits standard roller blinds with a diameter of 17 to 18 mm. The holder can be mounted on the top, side, or side. The long chain has a total length of 180 cm, half the length when hung. Easy installation: the roller blind holder window set includes all necessary fixings. It can be installed without drilling holes, avoiding wall damage, saving time and effort. Wide application: the no-drill bracket is suitable for all crank-operated outdoor and indoor roller blinds, ideal for use in offices, homes, hotels, and other places where roller blinds are needed. Stable and durable: white roller blind holder made of plastic material offers high hardness and wear resistance. The holder provides stable support and does not fall off. Color: White Material: Plastic Package Contents: 8 * universal roller shutter heads Note: Light reflection and different displays may cause slight color variations between the item and the image. Measurement allows an error of +/- 1-3 cm.