- Lawn Mower Blade Sharpener: Crafted from durable corundum, this sharpener is built to last, ensuring your mower and tractor blades stay in top condition. With its robust design, it effectively revitalizes dull blades, making maintenance effortless. - Lawn Mower Blade Balancer: Specifically compatible with model 42-100, this balancer allows you to test blade balance easily. Simply select the appropriate diameter step on the holder based on your cutter size. After sharpening your blades, use the balancer to ensure optimal performance and a smoother cut. - Easy Installation: Featuring a 1/4-inch shank, this sharpener fits any power or hand drill. Installation takes just 10 seconds—simply attach it to your electric drill and begin sharpening. This efficient tool saves you time and energy while restoring the sharpness of your old blades. - Versatile Applications: Ideal for a range of uses, this sharpener works on lawn mower blades, lawn tractors, rototillers, garden scissors, drill bits, and sickle bar cutters. Experience a cleaner, more efficient cut after sharpening. - Practical Use Scenarios: 1. Revitalize your lawn mower blades before the mowing season for a healthier lawn. 2. Sharpen garden scissors to maintain your flower beds and vegetable patches with precision. 3. Use on rototiller blades to ensure effective soil preparation for your garden. With these features, the lawn mower blade sharpener and balancer provide reliable performance and convenience for all your gardening and landscaping needs.