Instructions:

*New main rotor holder with 4mm Feathering shaft makes the main rotor head more rigid and stable.
*New metal head stopper.
*High rigid CNC processes aluminum alloy material, and therefore this refitting component is absolutely helpful for the accuracy of flying movement control and the stabbility of the flight.

Included in box:

*Metal head stopper x 1(1.5g)
*Metal main rotor housing set x 1(7g)
*Pin x 2(1.5x18.7)
*Damper Rubber x 4(4x6.5x2)
*Screw x 1(M2x12)
*Screw x 1(M2x6)
*M2 nut x 1(M2)