[Efficient Design]: The 2-in-1 chainsaw sharpener is fast and precise, and it will sharpen your chainsaw chains and depth gauges. This is a quick, simple, and portable method for sharpening chainsaw chains. [Scientific Design]: The end of the sharpening stone is equipped with an easy-to-use handle, allowing users to work directly on the chainsaw without accidentally injuring their fingers. [Compact Size]: File diameter: 3/8” (4.0 mm). The chainsaw sharpener is as small as possible without compromising its functionality. [Time Saving]: You can use a chain sharpener to polish the chain without disassembling it. This will save you time and preserve the chain's efficiency. [High-Quality Materials]: Made of plastic and a sharpening stone, durable and corrosion-resistant. This chainsaw sharpener is lightweight and portable, easy to carry, and suitable for outdoor use. The sharpener should be kept dry to prolong its lifespan.