10 Pcs Rubber Damper Balls Flight Controller Soft Mount Shock Absorption BallsFeatures: RC shockproof rubber damper ball for flight control. Shock Absorption ball can effectively reduce the sensitivity of the flight control, making the flight more stable and worry-free. Dual-head design,widely used in PTZ connection and flight system, a good helper for players who like aerial photography. Made of high quality rubber, can reduce the vibration of the connection between the aircraft and the gimbal. Reasonable design, convenient and simple installation. Specification: Material: SiliconeSize: Approx. 21x17 mm/0.83x0.67 inchColor: Black/Blue/Red(Optional)Quantity: 10 PcsPackage Includes: 10 Pieces Shock Absorption Ballsnote: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.