- Precision Blade Balancing: Designed for compatibility with model 42-100, this blade balancer ensures your lawnmower operates at optimal performance. The adjustable knife holder features various diameter levels, allowing you to achieve precise balance based on your blade size for accurate results. - Versatile Sharpener: This knife sharpener is not just for lawn mower blades. It effectively sharpens blades of lawn tractors, rototillers, pruners, drill bits, and sickle cutters. This multi-functional tool meets all your sharpening needs, making it an essential addition to your gardening toolkit. - Durable Construction: Made from high-quality corundum, our lawn mower knife sharpener is built to last. Its robust design ensures long-term use, providing excellent value for your investment in garden maintenance. - User-Friendly Design: Installation is quick and straightforward. Compatible with drills or hand drills featuring a 1/4 shank, simply attach the sharpener, and you can sharpen your blades efficiently. This tool helps restore the sharpness of dull blades, enhancing your productivity with minimal effort. - Practical Applications: - Use it to sharpen your lawnmower blades, ensuring a clean cut for a healthier lawn. - Perfect for maintaining lawn tractor blades, helping to achieve a well-manicured yard. - Ideal for sharpening pruners and sickle cutters, making garden tasks easier and more effective.