For standard prop adaptors, when used on a counter rotating motor in multi-rotor aircrafts, it may get loose automatically during flight, the thread direction of this adaptor is reversed to the standard adaptor, so it can prevent the nut from loosing automatically during flight.
Prop Adapter for HL 4225/4822/4830 Series Counter Rotating Motors
Mounting hole spacking: 16/ 14mm
Screw type: M3 x 6
1 x prop adaptor
4 x fixing screws
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