What you get: Two plastic bead chains for rollerstyle vertical blinds. Each chain is 1 meter long. Product dimensions: 10 x 12 x 2 cm. Purpose and function: Designed for vertical blinds roller systems and roller shutter ball chain mechanisms to enable smooth, reliable raising and lowering of slats for precise light control and privacy adjustment. Compatibility: General design fits a wide range of vertical blind setups and sizes, making it easy to integrate into existing treatments without special adapters. Material and durability: Made from firm, wearresistant plastic to withstand regular use while maintaining integrity and consistent operation. Performance: Engineered for smooth operation so you can adjust blinds quietly and accurately; reduces sticking or uneven movement that can occur with worn or damaged chains. Ease of installation: Simple swapin replacement for worn or broken bead chains, restoring full functionality to your vertical blind system. Use scenarios: Living room: a frayed chain to regain easy control of natural light and reduce glare on screens during daytime. Office or meeting room: Restore reliable blind operation to manage daylight and improve visibility at monitors or presentations. Bedroom or privacysensitive areas: Ensure consistent, quiet adjustment of blinds for improved privacy and light blocking at night. Why customers need this product: Restores reliable operation to vertical blinds without replacing the entire headrail. Provides a quick, costeffective fix for worn or broken bead chains. Compatible, durable, and engineered for smooth performance to extend the life of existing window treatments.