New Upgrade and High Quality: The lawn mower blade sharpener is made of double-layer corundum, high quality, durable, long service life, the blade sharpener can be used repeatedly.Our lawn mower blade sharpeners are supplied from the original factory, absolute quality assurance. Wide Application: Widely used for sharpening lawn blade, drill blade, mower, sickle cutter, rototillers, etc. This sharpener can be used for electric drill and manual drill to sharpen the dull blade. Dimensions: 5.8 x 5.8 x 1.7 cm each. Packing: 3 blade sharpeners. Easy to use: It only takes 10 seconds to install. You just need to install it on your electric drill to use it. And it can quickly make dull old blades sharper. Effectively provides your productivity. Service: You can contact us if you have any problems with the product, we will provide you with a solution within 24 hours. Purchase 100% assured.