1As a spare part, it is designed for WLtoys X450 vertical take-off and landing aircraft. 2These propellers are made of the finest materials, it is high quality and easy to install. 3By replacing the old Aircraft Blade accessories, it can help you better control your for WLtoys X450 vertical takeoff and landing aircraft work fine. 4It can ensure long product life, replacing old blade accessories also improves product control and helps you repair costly equipment. 5It is 100% compatible, and it can guarantee to meet the specifications of your original equipment. In the case of insufficient engine power, the paddles can be used to increase power.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 high quality 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 100% 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 BladeApplicable Age: 6 years old or olderProduct Category: AccessoriesProduct Size: Approx. 12 x 3 x 2 cm / 4.7 x 1.2 x 0.8 inName: Applicable for WLtoys X450 Vertical Landing and Flying Aircraft AccessoriesFitment: Fit for WLtoys X450 vertical takeoff and landing aircraftPackage List:3 x RC Aircraft Propeller Blade