BTG Upgrade White Damping Rubber Balls & Anti-drop Pins kit Transparent for DJI Phantom 3 Pro Professional Standard Advanced Gimbal Anti Vibration 100% Brand New Damping Rubber Balls & Anti-drop Pins kit Color: White/Transparent Package including: 6pcs balls; 6 sets anti-drop pins Compatible with DJI Phantom 3 Pro Professional Standard Advanced, DJI Phantom 2 Vision+, Phantom FC40