Features: Achieve precise rotor balance with our carbon propeller balancer, designing for remote control helicopters and quadcopters, ensuring optimally flight performances. Crafted entirely from aluminum alloy, this balancer accommodates main rotor mounting holes with diameters ranging from 2-5mm, featuring a robusts 2mm carbon metal frame structure. For drones enthusiasts and hobbyists who demand high precise in their remote control helicopter and quadcopter maintenance. Perfect for use in workshops or at homes, this tool allows for easy adjustments of main rotor balance, enhancing your drones stability and flight efficiency. Equipped with a magnetic balancer and standard level viewer, it provide accurate detection of statics and dynamics balance, making it a essential accessory for any serious drones operators. Specifications: Component:Aluminium Alloy Size:As Picture Shown Package Includes: 1 Set Propeller Balancer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.