Description Made from durable and dependable material, it's built to resist long-term use. Additionally, the spring putting piece allows for flexible adjustment of the roller blinds' lifting speed, catering to various needs. With its exterior sunshade function, it efficiently blocks sunlight and heat, keeping your indoor space cool and comfortable. Suitable for different curler blinds, it gives very best light-blocking and sunshade results while enhancing privacy. Features -Color:Assorted Color -Material:Iron -Size:20.00X10.00X0.70cm/7.86X3.93X0.28in - Iron materials is used for the roller blinds, ensuring sturdiness and longevity. -The curler blinds are designed to produce reliable and long-lasting performance. -The installation task is made clean with the unique hook design of the accessories. -The attachment of the roller blinds is safe and stable, stopping any detachment or loosening. -The lifting pace of the roller blinds could be smoothly adjusted, taking into consideration flexible control. four x roller shutter spring spare parts