High-quality materials: This chainsaw is made of high-strength steel, metal files, sandblasted and demagnetized. The chainsaw has high strength, long service life, anti-rust and wear-resistant, not easy to deform, easy to use, and saves time and effort. Exquisite workmanship: The round file has uniform and precise teeth and uniform and precise cutting diameter, which allows for quick and precise cutting, maintaining and protecting the life of the chainsaw blade. Quickly and easily removes dull and burred metal to prevent clogging. Economical and efficient: If your lawnmower is not sharp enough and the chainsaw chain is dull, you may think about replacing it completely, but now with our chainsaw rasp you can extend its life simply by sharpening it. Safety: Our round chainsaw files have a protective design on both ends, no burrs or sharp edges, you never have to worry about hurting your hands while working, manual sharpening is more economical and gentle than sharpening with a manual