✔️【DURABLE MATERIAL】: The upgraded lawn mower blade sharpening tool is made of corundum, which is highly durable and suitable for long-term use. The new 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 durable. ✔️【EASY TO USE】 : The lawn mower blunt blade sharpener is specifically designed to be mounted on an electric drill to sharpen lawn mower blades. Just like an electric drill, attach the sharpener to your drill and sharpen any dull blade in just 10 seconds. (Note: Electric drill not included). ✔️【VARIETY OF APPLICATIONS】: The lawn mower blade sharpener can be used on sharp lawn mower blades to make them sharp again. Used for sharpening lawn blades, lawn tractors, mowers, rototillers, drill blades, sickle blades and more. Fits most electric drills ✔️【BLADE SHARPENER DIMENSIONS】: 50 x 55 mm/1.96 x 2.16 inches per piece. You need to ensure your lawnmower is at it's tip top condition to ensure 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 SHARPENING TOOLS】: 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 Specification: Material: Corundum Stone +Steel, Plastic Color: Grey Package includes: 4 x Lawnmower Dull Blade Sharpener + 1 pcs Blade Balancer Features: 1.Lawn Mower Blade Sharpener Tool made of whetstone, durable for long time usages 2.It makes any dull blades sharp again, a necessary tool for lawn mower and lawn tractor' blades 3.Blade Sharpener simply attaches to power drills and sharpen your lawn mower blade nicely, very practical tools for daily life Notes: Please allow slight measurement errors due to manual measurement. Due to the different monitor and light effects, the actual color of the item might be slightly different from the color shown in the pictures.