This is a quality chain sharpening tool, optimized shape for more precise guidance, helping to improve the working efficiency of the chainsaw. Both sides of the sharpening stone have a handle, easy to use, allowing the user to work directly on the chainsaw, without accidentally hurting their finger. Sharpen any chain quickly and easily, can make your saw chain sharper, easy to use. You can try it. Features: 1. Manual chain sharpening tool, can quickly and easily sharpen any chain. 2. Optimized shape for more precise guidance, helps improve chainsaw work efficiency. 3. Practical tool for quickly sharpening teeth and depth gauge in one step. 4. Both sides of the sharpening stone have a handle, easy to use, which allows the user to directly operate the chainsaw, without accidentally hurting their finger. 5. Sharpen any chain quickly and easily, can make your saw chain sharper, easy to use. 6. Simply rub it back and forth manually to make your chain smooth again and shiny. 7.Suitable for all sizes of chainsaws. Specifications: 1.Name: Chainsaw Chain Sharpener 2.Material: Bearing Steel 3.Color: Orange, Blue (Optional) 4.File Diameter: 4.0mm, 4.8mm (Optional) 5.Item Size: 380 * 60 * 25mm / 14.96 * 2.36 * 0.98in 6.Item Weight: 350g / 12.35ounce 7.Package Size: 380 * 60 * 25mm / 14.96 * 2.36 * 0.98in 8.Package Weight: 350g / 12.35ounce Package List: 1 * Chainsaw Chain Sharpener