4 PCS M3 Damping Ball For M3 Mounting Hole F4 F7 Flight Controller RC Drone FPV Racing Multi Rotor

4 PCS M3 Damping Ball For M3 Mounting Hole F4 F7 Flight Controller RC Drone FPV Racing Multi Rotor Description: Item name: M3 Damping Ball Color: optional yellow, black, purple Quantity: 4 PCS Usage: for M3 mounting hole F4 F7 flight controller RC multirotors Package included: 4 x M3 Damping Ball