Motor Protector Guard Protective Cover CNC Metal Cap for DJI Phantom 2 3 Silvery Prevent small object getting stuck inside the motor and causing damage. Prevent motor bearing from dust and liquid. Extend motor using life. Applicable to Phantom1 /2 /3 Material: 6061 T6 aluminum alloy, Weight: 23.5g/1pcs Video: youtu.be/J_MK3iKTZAQ