EverBoss Glass Fiber Flight Controller Anti-vibration Shock Absorber Set for APM2.5/2.6 /KK /MWC Glass Fiber Flight Controller Anti-vibration Set/Shock Absorber for APM2.5/2.6 /KK /MWC Suitable for different open source flight controller, such as APM2.5, 2.6, KK, MWC etc. Material: glass fiber Weight: approx. 1.00 ounce