Easy to operate: The structure is simple and can be used without professional skills, allowing both home gardening enthusiasts and professionals to easily polish and adjust the Multiple apertures compatibility: Supports multiple apertures ranging from 9.5mm to 35mm in diameter, and users can choose the corresponding fixed step according to their specific needs Accurate balance designed specifically for lawns mower it can quickly identify the balance condition of the ensuring efficient operations of the lawns mower Improve life and Through precise balance testing, ensures that the weight of both ends of the is consistent, effectively reduce wear, and extend the use time of the Metal materials,wear Crafted from metal, weighing about 71g, providing additional stability and durability, suitable for long-term use, Manufacturer: Fpbiagoq