Features: Aluminum alloy drones maintenance tool set ensures safe propeller removal with 5 precisions machined bolts (2.9mm to 0.9mm) for multi model compatibility. Compact propeller removal tool features lightweight aviation grade aluminum construction and portable design, safely extracting stuck rotors without damaging drones hubs. Ideal for drones enthusiasts, professional technicians, and hobbyists requiring rotor maintenance tools for FPV and commercial drones. Perfect for quick propeller replacements during field repairs, workshop maintenance, or outdoor flying with easy pocket sized portability. Engineered to minimize rotor shaft wear and maintenance risks, this drones toolset streamlines propeller while protecting delicate motor components. Specifications: Component:Aluminum Alloy Color:Black,Blue,Red Equip 5 ejectors pins: (diameter) 2.9mm, 1.9mm, 1.9mm, 1.7mm, 0.9mm Suitable for D16/D20 Package Includes: 1Set Propeller Remover note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.