This is a quality chain sharpening tool, optimized in shape for more precise guidance, improving the working efficiency of the chainsaw . Both sides of the sharpening stone have a handle, easy to use, which allows 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 guiding, helps improve the work efficiency of the chainsaw . 3.Handy tool for quickly sharpening teeth and depth gauge in one step. 4.Both sides of the sharpening stone are equipped with a handle, easy to use, which allows you to the user to act directly on the chainsaw, without accidentally hurting their finger. 5.Sharpen any chain quickly and easily, can make your saw chain sharper, easy to use. 6. May your channel become smooth and shiny again. 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 List of packages: 1 * chainsaw chain sharpener