Description: 【Replacement Shutter Winder】: This replacement shutter winder includes 1 sturdy belt winder box and a 5 meter long quality replacement webbing strap measuring 1.4 cm wide 【Easy Installation Process】: Designed for easy installation, this roller shutter winder can be installed without any special tools or technical expertise, making it ideal for DIY homeowners seeking a quick maintenance solution 【Sturdy And Reliable Construction】: Built from sturdy materials that withstand daily use and weather exposure, this organizer box offers great durability and reliable performance for most manual roller shutter models over the long term. 【Universal Roller Shutter Compatibility】: This belt winder system is compatible for various roller shutters, sun shades, balcony blinds, and window coverings in both office and residential settings, providing versatile application options 【Organized Strap Management】: This winder box keeps your roller shutter strap neatly stored and easily accessible, no more tangled or loose straps that create operational issues and visual clutter around your window Specification: Material: ABS Plastic, Nylon Size Chart: 15.5cmx12.5cmx3.35cm/6.10inchx4.92inchx1.32inch Package Includes: 1 Roller Shutter Winder Box(Not Include Crank) Note: Please allow slightly errors due to manual measurement and different monitors.