Manual chain grinding tool, optimized shape, more precise guide, helps to improve the work efficiency of the chain saw. Optimized shape for a more precise guide, helps to improve the 'chainsaw work efficiency. Grinding any chain quickly and easily can make your saw chain sharper and easier to use. Just manually rub to back and forth so your chain is smooth and shiny again. A handy tool for sharpening teeth and measuring depth in one step. Suitable for all chainsaw sizes. Product description It s This is a fine quality chain grinding tool, optimized shape for a more precise guide that helps improve the working efficiency of the chainsaw. Both sides of the sharpening stone are easy to use, allowing the user to operate the chainsaw directly without accidentally hurting the finger. Sharpen any chain quickly and easily, making your saw chain sharper and easier to use. You can try to do it. Features: Hand chain sharpening tool, can easily and quickly sharpen any chain. Shape optimized for a more precise guide, helps improve the work efficiency of the chainsaw. Practical tool for quickly sharpening teeth and depth gauge in one step. Both sides of the sharpening stone are easy to use, allowing the user to operate directly on the chainsaw without accidentally hurting the finger. Sharpen any chain quickly and easily, this which makes your saw chain sharper and easier to use. Just manually rub it backwards to make your chain smooth and shiny. Suitable for all chainsaw sizes. Budget: Material: bearing steel. Color: blue File diameter: 4.0 mm Item weight: 350 g. Package contents: 1 chainsaw chain sharpener.