Product Features 1. The 9450 propeller can provide thrust. Compared with the old model, it has better power efficiency, enabling the quadcopter to achieve significantly higher lift and stronger power. 2. The product is durable and easy to use. 3. It has higher tension and is easy to install. 4. The positive propeller blade is marked with “L” and needs to be installed on the counter - clockwise rotating motor (the self - locking motor has a white head). 5. The reverse propeller blade is marked with “R” and needs to be installed on the clockwise rotating motor (the self - locking motor has a black head). Specification Parameters 1. Material: ABS 2. Model: 9450 3. Color: White, Black (optional) 4. Length: 9.4 inches / 24 cm 5. Pitch: 5.0 mm 6. Compatible models: Phantom 2, Phantom 3 (3A, 3P) Notes 1. Due to manual measurement, a 1 - 2 cm error is allowed. Please ensure you can accept it before placing an order. 2. Due to differences between different monitors, the pictures may not reflect the actual color of the item. Package Contents 2 pairs of 9450 propellers