Features: Achieve precise rotor balance with our carbon propeller balancer, designing for remote control helicopters and quadcopters, ensuring optimally flight performances.<br> 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.<br> For drones enthusiasts and hobbyists who demand high precise in their remote control helicopter and quadcopter maintenance.<br> 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.<br> 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.<br> Specifications: Component:Aluminium Alloy<br> Size:As Picture Shown<br> Package Includes: 1 Set Propeller Balancer<br> note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order.<br> 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item.<br> Thanks for your understandings.