Features: 1. The grindstone can be simply connected to the electric drill and grind the blade of the lawn mower in a pleasant way. This is a very practical tool in daily life. The sharpening part is very rough, which can easily sharpen the blade quickly and improve efficiency. 2. Simple lawn mower blade sharpener-works with any electric drill-faster mowing. 3. Make the edge of the lawn mower blade sharp, without grooves, unevenness, and keep the blade balanced. 4. 1/4" shank is suitable for any electric drilling rig; built-in guide rail can produce appropriate edges and corners; permanent grindstone 5. Restore the original sharpness of the blade, which helps to eliminate the blade scratches on rocks and wooden sticks. 6. Cut cleanly, cut finer, and lawn healthier; cut grass faster. 7. Make your blade like new in 10 minutes. Specification: Material: Brown Corundum Size: 64 X 55 X 55mm Color: Blue Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included 1 X Lawn Mower Sharpener