Dromida Main MTR CCW R/F L/R Vista UAV Toy FEATURES: Installs on right front and left rear boom Leads and pinion gears preinstalled INCLUDES: Two Counterclockwise Rotating Motors, key #10 COMMENTS: Not interchangeable with other positions. For the Left Front/ Right Rear Clockwise INCLUDES: Two Counterclockwise Rotating Motors, key #10 COMMENTS: Not interchangeable with other positions. For the Left Front/ Right Rear Clockwise