New Upgrade and High Quality: The new version lawn mower blade sharpener is made of double-layer corundum, offering high quality, durability, and a long service life. This blade sharpener can be used repeatedly. Supplied by the original factory, ensuring absolute quality assurance. Wide Application: Widely used for sharpening lawn mower blades, drill blades, sickle bar cutters, rototillers, and more. This sharpener is compatible with both power drills and hand drills for restoring dull blades. Size & Packaging: Each sharpener measures 2.3" x 2.3" x 0.66". Package includes 3 blade sharpeners. Simple to Use: Installs in just 10 seconds. Simply attach to an electric drill to quickly sharpen blunt blades and improve efficiency. Service: If you have any issues with the product, for support. We respond within 24 hours. 100% purchase assurance.