1. Made of high quality aluminum alloy, tough and strong. 2. CNC finishing can be closely connected with the machine arm, it is dustproof and anti-collision. 3. Once for all, no need to dismount the covers after finishing mounting 4. Simple and convenient to use, it does not need to be removed after installation that will not affect the storage and flying. 5. Specially designed for Anafi motors with CNC finish machining. 6. Note: Drone quadcopter and other accessories are not included.