Description: 【Enhanced Control】Effortlessly manage your roller shutters and window with manual operations, offering improved convenience and accurate control for daily use 【Easy Installation】User friendly design allows for quick setup or replacement without the need for professional tools, making it great for DIY enthusiasts 【Extended Nylon Strap】Blind Cord Winder comes equipped with a sturdy 5 meter long, 16mm wide high strength nylon strap to accommodate various window and shutter sizes, ensuring smooth operations 【Sturdy Construction】Window Blind Cord Holder crafted from sturdy pp and nylon materials, the winding box is wear resistant and anti aging, guaranteeing reliable performance over time 【Wide Compatibility】Suitable for multiple types of roller shutters, sshade window systems, balcony blinds, office spaces, and home window Specification: Material: ABS Nylon Size Chart: 18cmx9.5cm/7.09inchx3.74inch webbing 1.6cmx0.5cm/0.63inchx0.20inch Package Includes: 1 Roller Shutter Winder Box Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.