Features 1.High Efficiency: These lawn mower blade sharpeners can quickly make blunt old blades sharper. Effectively improving your productivity and efficiency. 2.Double Layer: The new lawn mower blade sharpener is made of double layer corundum material, which is strong and durable. The grinding stone won't be damaged due to high temperature during grinding. 3.10 Pieces: You will receive 10 pieces of double layer hand drill sharpening stones in total, meeting your different needs for replacement and sharpening. 4.Easy Installation: These lawnmower blade sharpeners can be simply attached to power drills and sharpen the blade easily and quickly. Making the edges become more effective. 5.Wide Application: These corundum blade sharpeners are suitable for sharpening lawn blades, lawn tractors, mowers, rototillers, drill blades, sickle bar cutters, etc. Specification Item Type: Lawn Mower Blade Sharpener Material: Corundum Application: Suitable For Sharpening Lawn Blades, Lawn Tractors, Mowers, Rototillers, Drill Blades, Sickle Bar Cutters, Etc. Package List 10 x Lawn Mower Blade Sharpener