EFFICIENT SHARPENERThis electric saw sharpener offers a quick and easy way to sharpen the knife. Press the tip of the sharpener onto a firm surface and you'll get a sharp edge in seconds. GOOD SHRINKING PERFORMANCE The electric saw sharpener is made of high quality stainless steel springs. If the electric saw is inserted into the sharpener, but the size of the electric saw is not large enough to touch the sharpening stone, please press the spring. The spring makes the sharpener suitable More sizes of chainsaws.CONVENIENT AND QUICKThe sharpener is lightweight, small in size, easy to carry and use outdoors, your hands don't have to touch the sharpening stone. HIGH QUALITY The chainsaw sharpener is made of high quality durable plastic and sharpening stones to ensure your safety and quickly restore the working performance of the chainsaw. It is a good helper to improve work efficiency.Note: The data is all manually measured, please allow 1-3cm error, due to the light and display difference, it there will be a certain color difference, the actual object received shall prevail.