Long-Lasting Quality: Crafted from robust corundum, our lawn mower blade sharpener is designed to stand the test of time. This quality item is engineered for endurance, promising to you for many years of your garden maintenance needs, ensuring value for money. Effortless to Use: Our sharpener is easy to install and use, saving you time and effort. Suitable for any power drill or hand drill with a 1/4inch shank, simply attach it to your drill and you're ready to sharpen your blades in no time. This is a great tool to quickly improve the efficiency of your dull blades and boost your productivity. Effective Blade Balancer: With compatibility to model 42-100, the included blade balancer ensures optimum balance in your mower. The balancer features different diameter steps on the cutter holder, allowing you to balance test according to the diameter of your blades, providing effective and accurate results. Wide Application: Our blade sharpener is not just limited to lawn mower blades. It's also perfect for sharpening blades of lawn , rototillers, garden scissors, drill blades, and sickle bar cutters, making it a versatile tool for all your sharpening needs. Package Contents and Customer Service: The pack includes 4 lawn mower blade sharpeners and 1 blade balancer. If you have any questions or concerns, please don't hesitate to reach out. Our excellent customer service team be more than happy to help. color:Photo Color Material:Grinding wheel Package Contents: 4 lawn mower blade sharpeners 1 blade balancer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.