Premium Material: The lawn mower blade sharpening tool is made of double-layer corundum, which is highly and suitable for long-term use. The version of the lawn mower blade sharpener is different from the old version, the new version of the lawn mower blade sharpener makes the sharpening process easier, is strong and . Easy to Use Blade Sharpener for Drill: The lawn mower dull blade sharpener is specially designed to be installed on a power drill to sharpen lawn mower blades. Just like a drill, attach the sharpener to your drill and install in just 10 seconds to sharpen any dull blade. (Note: Electric drill not included) Wide Application: The lawn mower blade sharpener can be used on lawn mower blades to make them again. Used to sharpen lawn blades, lawn , lawn mowers, rotary tillers, drill blades, sickle bar cutters, etc. Fits most electric drills. You need to your lawnmower is at it's condition to the efficiency of your lawn mowing task. Lawnmower blade need to be sharpen from time to time as they get dull or even rust. Practical Sharpener Tool: The Lawnmower Dull Blade Sharpener is specially designed to be fitted at power drill to sharpen your lawnmower blade, making the sharpening process easier as it can be done within minutes and the only tool you needed is a power drill.Just like a drill bit, install the sharpener onto your power drill and it is ready to sharpen any dull blade, it is a necessary tool to pair with lawn mower and lawn tractor' blades. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Specifications:4 pcs set Colour:Black Material:Brown Corundum Package Contents: 1 set x Lawnmower Dull Blade Sharpener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.