【Chainsaw Sharpener】Crank chainsaw sharpener is specially designed for sharpening electric chainsaws, it offers an easy and quick way to sharpen 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】Chainsaw chain sharpener is a crank saw chain sharpener (works without power source), like a pencil sharpener, you just need to fix the position according to your needs and rotate the handle each time you sharpen the saw chain 【Compatible】Chainsaw chain 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】 Chainsaw sharpener manual sharpen a chainsaw, all you have to do is pull the chain. Precise sharpening can ensure that each chainsaw is repaired! Precise positioning: