Convenient and Fast SharpeningThe new chainsaw tooth sharpener provides a quick and easy way to sharpen the saw chain. The chainsaw can repair dull chains in just 3-5 seconds. Use the chainsaw sharpener to make your chainsaw sharp as new, making your work faster and more economical. The chain sharpener is designed with 2 holes for fixed sharpening, one hole is fixed and the other moves from back and forth, very flexible. Check in advance if your chainsaw blade has two holes. If your saw blade has only one hole, you can remove the sliding rivet, which can be moved back and forth, then install and use Simple and easy to use: l The chainsaw sharpener is also easy to use as a pencil sharpener. Simply place the collet on the shank, position the wheel on the tooth, insert the bur into the guide sleeve and turn the handle. Use it to precisely sharpen a chainsaw chain to sharpen the chain and make gardening work smoother and sturdier. It is lightweight and easy to carry, just put it in your backpack. The chainsaw chain sharpener is easy to use outdoors and protects your hands from injury. This product sharpens chainsaws without electricity Easy to installThe chainsaw chain sharpening tool is installed in the sharpener and can be installed and used at any time, so that your chain can be sharpened in no time. Leave the oil on the chain and bars to reduce friction and increase life.