Premium Material: The lawn mower blade sharpening tool is made of double-layer corundum, which is highly durable and suitable for long-term use. The new version of the lawn mower blade sharpener makes the sharpening process easier, is strong and reliable. 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 bit, 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 sharp again. It is suitable for sharpening lawn mower blades, rotary tillers, drill blades, sickle bar cutters, and similar tools. Fits most electric drills. Maintaining your lawnmower in optimal condition helps ensure the efficiency of your lawn mowing tasks. Lawnmower blades need to be sharpened from time to time as they become dull or develop rust. Practical Sharpener Tool: The lawnmower dull blade sharpener is specially designed to be fitted onto a power drill to sharpen your lawnmower blade, making the sharpening process quick and easy. The entire process can be completed within minutes, and the only tool required is a power drill. It is a useful accessory for maintaining lawn mower and lawn tractor blades. Please note: Slight color variations due to lighting or display differences may occur. This does not affect the product's performance. Specifications: 4 pcs set Color: Black Material: Brown Corundum Package Contents: 1 set x Lawnmower Dull Blade Sharpener Note: Only the items listed above are included. Other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement may vary by +/- 1-3 cm.