It is a kind of fine quality chain grinding tool, optimized shape for more accurate guiding, improve chain saw work efficiency. Both sides of the sharpening stone with the handle design, easy to operate, which allows the user to operate directly on the chainsaw, without accidentally hurting the finger. Quickly and easily sharpen any chain, can make your saw chain sharper, easy to use. You can try. Features: manual chain grinding tool, can sharpen a chain quickly and easily. Optimized shape for more accurate guidance, improve chain saw work efficiency. Convenient tool for quickly sharpening teeth and depth gauge in one step. Both sides of the sharpening stone with the handle design, easy to operate, which allows the user to operate directly on the chainsaw, without accidentally hurting the finger. Quickly and easily sharpen any chain, can make your saw chain sharper, easy to use. Just rub back and forth manually to make your chain smooth and shiny again. Fits any size chainsaw. Features : Name : Chainsaw sharpener Material: bearing steel Color: orange, blue (optional) File diameter: 4.0mm, 4.8mm (optional) Item Size: 380 * 60 * 25mm / 14.96 * 2.36 * 0.98in Item weight: 350g / 12.35oz 380 * 60 * 25mm / 14.96 * 2.36 * 0.98in Package weight: 350g / 12.35oz Package List: 1 * Chainsaw Sharpener