Finally after 2 weeks waiting I have a pleasure to test them. (9450 Carbon Fiber Reinforced Self-tightening Propellers) Conditions very windy but one way or another decided to test them. First thing I have notice hard to screw them in not like original ones. Take off and after 30 sec of hovering checking respond aircraft for commands I have notice massive shaking on camera not on screen but visual eye contact. Landed as quick as possible.For more confidence I have change props for original ones and like nothing happen all good no problems.Over all not very happy about hem but maybe someone else have different experience .