M2 servo ball links M2 threaded rods cut to desired length, I got a metric die set & threaded the cut end to attach the M2 metal clevis. I used to generic 9g metal servo's M3x6mm thin allen head cap screws to attach the motor. M2x6mm & a M2 nut to secure the ball links to the control horns of the motor mount. Transmitter mixing both servos with 50% elevator & 50% rudder