【 chainsaw sharpener】Our crank chainsaw sharpening kit is specially designed for sharpening electric chainsaws. It offers an easy and quick way to sharpen the saw chain. In just 3-5 seconds, your chainsaw will be sharp as new. and say goodbye to the passivation of your chainsaws. 【Convenient and quick sharpening of the saw chain】: This saw chain sharpener is a hand crank saw chain sharpener (works without power source), like a pencil sharpener, you only need to fix the position according to your needs and rotate the handle every time you sharpen the saw chain. 【Compatible with most chainsaw designs】This chainsaw sharpener is equipped with two 30 degree holes and a fixed rivet to meet various kinds of different hole strings such as 14"/16"/18"/20" 1/4"/3/8" chainsaws. Besides, there are 3 replacement grinding heads, don't worry you are not enough. 【Precise steering】 : When sharpening a chainsaw, all you need to do is pull the chain. Precise sharpening can ensure that any chainsaw is