Effective Knife Sharpener This electric saw sharpener offers a quick and easy way to sharpen your knives. Press the tip of the sharpener on a solid surface and you will get a razor-sharp edge in seconds. Good shrinking performance The bottom of the electric saw sharpener is made of a spring made of high quality stainless steel. If you insert the saw into the sharpener but the saw is not large enough to contact the sharpening stone, depress the spring. The spring makes the sharpener suitable for more sizes of chain saws. Convenient and quick The sharpener is light and small, easy to carry and use outdoors, and your hands free No need to touch the sharpening stone. High quality: The chainsaw sharpener is made of high-quality durable plastic and sharpening stone to ensure your safety and quickly restore operating performance of your chainsaw. It is a good helper to improve work efficiency. Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and temperature. display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main picture)