Features: 1. As a spare part, it is designed for WLtoys X450 vertical take-off and landing aircraft. 2. These propellers are made of the finest materials, it is premium and easy to install. 3. By replacing the old aircraft blade accessories, it can help you better control your for WLtoys X450 vertical takeoff and landing aircraft work fine. 4. It can ensure long product life, replacing old blade accessories also improves product control and helps you repair costly equipment. 5. It is compatible, and it can guarantee to meet the specifications of your original equipment. 6. In the case of insufficient engine power, the blades can be used to increase power. Specification: Item Type: RC Aircraft Propeller Blade Applicable Age: 6 years old or older Product Category: Accessories Product Size: Approx. 11 x 1.7 cm / 4.3 x 0.7 in Name: Applicable for WLtoys X450 Vertical Landing and Flying Aircraft Accessories Fitment: Fit for WLtoys X450 vertical takeoff and landing aircraft Package List: 3 x RC Aircraft Propeller Blade .