Manual chain grinding tool, optimized shape, more precise guide, helps improve the working efficiency of the chainsaw. Optimized shape for a more precise guide, helps improve the working efficiency of the chainsaw. Grinding any chain quickly and easily can make your saw chain sharper and easy to use. Simply manually rubbing forward and backward can make your chain smooth and shiny again. A practical tool for sharpening teeth and measuring depth in one step. Suitable for all sizes of chainsaw. 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 directly on the chainsaw without accidentally hurting the finger. Sharpen any chain quickly and easily, making your saw chain sharper and easier to use. You can try it. Features: Handheld chain sharpening tool, can easily and quickly sharpen any chain. Optimized shape for a more accurate guide, helps improve chainsaw working efficiency. 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, making your saw chain sharper and easier to use. Simply rub it backward manually to make your chain smooth and shiny. Suitable for all sizes of chainsaw. Budget: Material: Bearing steel. Color: Blue File Diameter: 4.8 mm Item Dimensions: 320 x 60 x 25 mm. Package Contents: 1 x Chainsaw Chain Sharpener.