900C 20pcs M3 Anti Vibration Rubber Damper Balls for FPV F4 F7 Flight Controller Soft Mount Shock Absorption Balls V2 Upgraded OOTDTY 20pcs M3 Anti Vibration Rubber Damper Balls for FPV F4 F7 Flight Controller V2 Features:100% brand new and high qualityItem Name:M3 anti vibration mounts rubber balls for flight controller V2 upgradedThese Damping Rubber Balls can effectively help to reduce the sensitivity of flight controller,is a must have item for every who pursuit of extreme flightUse for the newest F4 F7 flight controller on FPV quadcopter frame to anti vibrationMade of high quality rubber for lasting performancePack of 20pcs flight controller soft mount damping rubber ballsWARNINGThis toy is not suitable for children under three years old because of small parts.Color: black,purple,yellowMaterial:rubberSales Way:Retail, Wholesal,Drop Shippingsize: One SizeLength: 0.6cm (0.24in)Width: 0.6cm (0.24in)Height: 0.66cm (0.26in)Quantity: 20PCS Note:If you have big quantity (over 50 dollars), please feel free to contact me, I will give you best discount, thanks! Size For Manual Measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes: (Without retail package)20PCS M3 Anti Vibration Rubber Damper Balls