MECCANIXITY Damping Rubber Balls - M7x20mm Red Pack of 12

What is this? The RC Damping Ball is great to reduce the connection vibration between the aircraft and the gimbal, It is the aerial photography player's good helper. What will I get? Color: Red Material: Rubber Ball Height: 20mm/0.79 inch Inside Mounting Hole Diameter: 7mm/0.28 inch Maximum Outside Diameter: 17.5mm/0.69 inch In the package of 12pcs x RC Damping Ball (Only the above package content and other products are not included.) Are there any advantages of the product? Made of rubber for lasting performance. Soft and flexible, reduce the vibration of aerial aircraft. These balls help reduce the vibrations felt by the flight controller and they are a must-have for all FPV racing. How to use it? These vibration-damping balls that you can use with your gimbal/flight controller mount to remove any unwanted vibrations. For best results, these vibration damper grommets should be secure, but do not squash them too much then they will not absorb any vibrations. What should I notice? Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3mm.