ElementDigital MJX 8Pcs Propeller for B5W GPS Drone Original 4Pcs Propeller A (CW), 4Pcs Propeller B (CCW), 8Pcs Silicone Rubber Ring, B5W Quadcopter Accessories Parts (2Set Original) (Black+White) CW & CCW: Propeller A (Clockwise), Propeller B (Counter-Clockwise). Clockwise rotating motor is marked with dot, counter-clockwise rotating motor is marked without dot. ATTACH PROPELLER A: Put the propeller with markingAinto the clockwise rotating motor shaft (the side marked A should be upwards). ATTACH PROPELLER B: Put the propeller with markingBinto the counter-clockwise rotating motor shaft (the side marked B should be upwards). DETACH THE PROPELLERS: Hold the aircraft brushless motor and unscrew the screw without dot by counter-clockwise (screw with dot should be rotated by clockwise) to take apart the propeller. RELIABLE PURCHASING: Any questions or disatisfactions with your purchase, please kindly let us know, ElementDigital guarantee you replacement or refund within 180 Days, and Lifetime Warranty. Clicking the Yellow "ADD TO CART BUTTON" Above, it's yours today.