Robust construction Built with a high-quality sharpening stone and durable steel for long lasting use. This design ensures mower blades stay sharp over time, delivering reliable cutting performance. Dual functionality Operates seamlessly with both electric power and manual operation. Provides quick, simple, and efficient sharpening of blades when needed. Universal design Blade Balancer features a universal design that fits 99% of standard center holes. It offers practical, user friendly blade maintenance and is a valuable advantage for blade upkeep. High performance sharpening Efficient tool for sharpening mower blades, drill bits, sickle bar cutters, wheel attachments, and hatchets, substantially improving cutting effectiveness and overall performance. Typical use scenarios - Lawn care: Quickly restore mower blade sharpness between mowing sessions for cleaner cuts and easier operation. - DIY projects: Sharpen drill bits and small cutting tools for home improvement tasks. - Outdoor/workshop use: Maintain sickle bar cutters and axes for field work and general maintenance.