StarSide For Parrot AR Drone 2.0 Quadcopter Spare Parts Motor Pinion Gear&shaft Replacement The propellers are attached to the Motors Carefully remove the cir-clip to remove broken propeller or shaft. The gears and their shafts link the motors to the propellers This kit includes 4 gears (high resistance plastic), 4 stainless steel shafts and 8 circlips. For an easy mounting, a special circlip tool is available in the mounting tools kit to easily insert and remove the circlips which hold the propellers and the gear Product Dimensions: 5.8 X 5 X 0.7 inches (16 X 14 X 2 cm) Color: black Package Includes: - 4 x Gears - 4 x Shafts - 8 x Circlips - 1 x Geekria Warranty