Curtain Kit: This roller blind repair kit includes accessories such as couplings, brackets, ball chains, and other components for window blind maintenance. Designed for white roller blinds, it allows smooth operation for privacy curtains and blinds with a gentle pull. DURABLE MATERIAL: The no-drill double roller blind is made of high-quality plastic, offering strength, durability, and resistance to breakage. Compatible with standard shade diameter of 17-18 mm. LONG ZIPPER CHAIN: The shade holder comes with a beaded chain that provides an overall length of approximately 35.04 inches, half that length when hanging. The roller blind clamp bracket is ideal for repairing damaged roller shutters. EASY ASSEMBLY: Replacement parts are easy to install. Mounting brackets can be installed on the top, side, or front based on your requirements, meeting various installation needs. WIDE APPLICATION: Suitable for both indoor and outdoor crank-operated roller blinds. The replacement roller blind shaft can be used in homes, offices, hotels, and other locations where roller blinds are required.