Used with vibration dampers to help keep the gimbal and camera linked to the airplane. Please replace the initial Anti-drop Kit with a brand-new one when it is damaged. This kit includes 4 pins.
2 pack Genuine DJI Phantom 3 Replacement Part #117
DJI Phantom 3 Part 117 includes 4 Pins and 4 Locks, You will get totally 8 Pins and 8 Locks as pictured since this is a 2 Pack item
Don't get stuck with the aftermarket ones