【Chainsaw Sharpener】: Our hand crank chainsaw sharpening kit is specially designed for sharpening electric chainsaws, it provides an easy and quick way to sharpen the saw chain, only 3-5 seconds to make your chainsaw sharp as new. and say goodbye to the passivation of your chainsaws. 【Convenient and Fast Sharpening Saw Chain】: This saw chain sharpener is a hand crank saw chain sharpener (works without power source), like a pencil sharpener, you just need to fix the position as needed and rotate the handle each time you sharpen the saw chain. 【Compatible with Most Chainsaw Designs】: This chainsaw sharpener is designed with 2 30-degree holes and a fixed rivet. to meet different types of chains of different holes. such as 14"/16"/18"/20" 1/4"/ 3/8" chainsaws. In addition, there are 3 replacement grinding heads, don't worry about you are not enough. 【Precise Direction】: Every time you sharpen a chainsaw, all you have to do is pull the chain. Precise sharpening can ensure that each