Hobbypower 9450 Self Locking Enhanced Propeller for Phantom 3 2 Version+ E300 (Pack of 4 Pairs) 4 pairs 9450 Self-locking Propeller ( 4pcs CW + 4pcs CCW) Fit for all DJI Phantom version( Phantom 1/2/2 Vision+/3/FC40/E300) Silver is clockwise and black is counter clockwise