1. Lawn Mower Blade Sharpener The version of the lawn mower blade sharpener is different from the old version. The version of the lawn mower blade sharpener is made of doublelayer corundum, which is strong and has a long life. 2. It only takes 10 seconds to install. You just install it on your electric drill and it's ready to go. And it can quickly make a dull old blade sharp. Effectively improve your productivity. Fast, automatic, easy, , timesaving and laborsaving. 3. Lawn Mower Blade SharpenerThe lawn mower blade sharpener can be used on sharp lawn mower blades to make them sharp again. Used to sharpen lawn blades, lawn tractors, lawn mowers, rotary tillers, drill blades, sickle bar cutters, etc. Suitable for most electric drills. 4. Lawn Mower Blade Sharpener ToolDimensions: 58 x 63 mm/2.3 x 2.5 inches per piece. Packaging: There are 3/4/5 pieces of lawn mower blade sharpeners in each beautiful box. Whether for personal use or as a gift, this is the choice.