Premium Material: The roller shutter components are made of excellent plastic with smooth edges, which is not easy to age, waterproof, wear-resistant, drop-resistant, not easily damaged by collision and durable. Easy to install: The roller shutter bracket kit can be top or side mounted. By pulling the bead cord, the curtain rises or lowers, and the movement is smooth and stable. Suitable size: The roller blind bracket window kits are suitable for 17mm pipes of diameter. Numerous applications: it adapts perfectly to our double roller blinds. These mounting brackets can be used in office, restaurant, home, hotel or other places where blind is needed. Package Content: You will receive 2 sets of roller blind support windows, including ball chains, brackets, couplers and other accessories. The blind support window assembly comes with all necessary fixings.