20 PCS M3x4.5x4mm F3 F4 F7 Flight Controller Damping Pad Ball for RC Drone

20 PCS M3x4 5x4mm F3 F4 F7 Flight Controller Damping Pad Ball for RC DroneSpecification Item name Damping PadSize M3x4 5x4mmMeterial SiliconeCompatible with F3 F4 F7 Flight Controller Weight 0 04g pcsFeature It is compatible for flight control F3 F4 F7 flight control The outer diameter of the waist is 3 5mm It is suitable for large flying control with a hole diameter of 3 1mm It has obvious damping effect and effectively reduces FPV racing drone and camera lens shake Note that the specification of the flight control fixed need to use M3 screws or M3 nylon columns Package Included 20 x M3x4 5x4mm Damping Pad