Features: Crafted from nylon ensuring superior wind energy capturing and long lasting reliability, perfect for remote areas seeking power generation. This blade reduces mechanical stress on windmills while maintaining efficiency in harsh coastal or rainy environments. Ideal for small businesses, and homeowners requiring low maintenance energy solution without professional installation expertise. Operates silently in neighborhoods, rural homesteads, or weather locations, providing electricity with minimal noise pollution and environmental. Engineered with aerodynamic precise, this windmill blade replacement combines effortless assembly with optimized energy output, making sustainable power accessible for diverse application. Specifications: Component:Nylon Size:Approx.550mm/21.65inch Package Includes: 1Pc Wind Blade note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.