• Super convenient stack spacers made of nitrile rubber! • Ideal for M3 hardware, stack as many as you need for perfect spacing. • We also offer a M2x5mm version. Check out the rest of our stack hardware and our entire hardware section! High search volume keywords like 'flight controller','vibration dampener', and 'M3 hardware' are naturally incorporated for SEO optimization.


These M3 O-Ring Flight Controller Vibration Dampeners are perfect for anyone looking to enhance the performance of their flight controller. Made of nitrile rubber, they serve as super convenient stack spacers. Use them on M3 hardware and stack as many as needed for the appropriate spacing. The outer diameter is 7mm, inner diameter is 3mm, and thickness is 1.9mm. Each pack includes 10 of these dampeners.