Neewer 4 Pieces 10-Inch Propeller Guards Protectors for DJI Phantom 3 Professional, Advanced and Standard, Comes with 10 Screws, 1 Hex Wrench and 10 Meters Protective Thread Greatly reduce the probability of broken props by bumping into trees, walls or any other obstacles. NOTE: DJI Phantom 3 Camera NOT INCLUDED Sized for use with 10" propellers. Compatible with DJI Phantom 3 Professional, Advanced and Standard Easy to install. Comes with all tools required: ten screws and one hex wrench Includes protective thread to prevent objects from entering spaces between guards and enhance the whole structure stability Lightweight design without affecting the flight