O'woda CNC Aluminum Controller Rocker M3 Thumb Stick Rest Connector for DJI Phantom/Futaba / FrSky/Tranis X9D & X9 / ETurnigy 9X / Hitec Aurora 9 & Many Other Transmitters with 3mm Screw Compatible With DJI Phantom 4 3 2 Inspire 1 Remote Controller, All Futaba Transmitters, FrSky Tranis X9D & X9E, Turnigy 9X, Hitec Aurora 9 , Spektrum DX6i DX7S DX8 DX9, Yuneec H480 Q500 Q500M & Many Other Popular Transmitters With 3mm Gimbals CNC6061 aluminum,durable and light weight,only 0.1oz(3g) for one pair, not a burden for your transmitter Ergonomic design, the joint of the thumb, comfort is dye-in-the-wood Apply human engineering science, more comfortable to control than the original Remote control and other accessories Not Included