This is the DJI Phantom 3 Clockwise CW 2312 Motor (Part 8) with Square Mounting Base. This is for the Phantom 3 Professional and Advanced aircraft using center board part number 33.
These will not work on the Phantom 3 Standard, or aircraft that are using center board part number 96.
Please check which style of motor you need before purchasing. If you have any questions, feel free to call us.