1. the real machine is moulded to effectively fix the front and rear propellers, protecting the propellers in the folded and stored state and preventing damage to them when they are stored in the backpack. 2. not crush and damage the propeller, while at the same time serving to hold the propeller in place during storage, making it less likely to wobble or . 3. reasonably fixed propellers, fitting the fuselage, while not affecting the use of the lens cover installed. 4. half wrap is the chassis design, the base can wrap the bottom motor of the drone when storing, to prevent debris from entering the motor. 5. two holes to adjust the tightness of the propeller, easy to install and remove. Colour:grey Material:Silica gel Package Contents: 1 x Propeller Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.