High-Quality Materials: The lawn mower blade sharpener is made of premium brown corundum with a ceramic grinding wheel for quickly and efficiently sharpening your lawn mower blades. Ease of Use: Sharpening your lawn mower blades has never been easier. Simply attach the sharpener to a screwdriver and let the high-quality ceramic grinding wheel do the work. It's a fast and efficient way to ensure your lawn mower has sharp blades and is ready to go. Improved Blade Life: Regularly sharpening your lawn mower blades will extend their lifespan. This reduces the need for frequent replacements and saves money in the long run. Specifications: Materials: Brown corundum and ceramic grinding wheel Dimensions: 5.5 x 5 x 0.635 cm Package Includes: 6 x Lawn Mower Blade Sharpeners