Features: 【 Excellent noise reduces technology】: The noise reducing blade wing design for 4pro provides users with a more peaceful flying experience 【 Enhances Flight Stability 】 These blade finely balanced to ensure a 30% increase in dynamic stability during flight 【Made of high-quality materials】 it is from high-strength composite materials and with better durability compared to ordinary propeller blade. 【Easy installation design】: These blade equipped with a toolless installation mechanism, greatly improving the convenience of use. 【 Wide compatibility 】 Optimized for 4pro, perfectly matching original factory interface Specifications: Product Name: for 4pro propeller Applicable Model: 4pro Product Material: PC Product size: about 27x2.8cm/10.63x1.1in Product color: black Weight of single product: about 12grams Package Includes: 4PCS propellers note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.