2 universal joint: 1 6 6mm + 1 4 4mm.
2set Rc Universal Joint Cardan Joint Gimbal Couplings with ,10X10mm &4907
2set Rc Universal Joint Cardan Joint Gimbal Couplings with ,10X10mm &2405
2set Rc Universal Joint Cardan Joint Gimbal Couplings with Screw,8X8mm &3167
Rc Universal Joint Cardan Joint Gimbal Couplings with Screw8x8Mm
2X Rc Universal Joint Cardan Joint Gimbal Couplings with Screw,8X8mm L4W82173
10Pc RC Universal Crawler Trunk Upgrade Accessories Ball Joint Rod
