1. Material: Made from plastic and sharpening stone, it is durable and rust resistant.
2. Scientific design: The end of the whetstone with handle design, easy to use, allowing the user to work directly on the chainsaw without accidentally injuring the finger.
3. Provide a fast, easy and portable method for sharpening the saw chain.
4. Sharpen each chain quickly and easily to make your saw chain sharper and more user-friendly.