chinatera 5 Pairs 1045 1045R CW/CCW Propeller for DJI F450 500 F550 FPV Quadcopter Stable connection, easy to install.Fine workmanship and perfect style Well balanced propellers to ensure top level performance Light weight, better strength, durable Specially made for DJI Quadcopter, more professional . Mature technology to increase the flying efficiency Note: the motor just fit the 2212 KV1000