Package contents: 1 pair x 9450 propellers in black color. 1pcs positive propeller and 1pcs inverted peopeller. The high-quality plastic blades provide a lasting use experience. The positive pallet is marked with an "L" on the pallet and must be mounted on a motor rotating anti-clockwise (the self-locking motor is a white head). The inverted pallet is marked "R" on the pallet and must be mounted on a motor turning clockwise (the automatic locking motor is black).
