High Quality Material: Chainsaw chain sharpening jig set made of aluminum alloy, which has strong corrosion resistance, durability and pressure resistance for all kinds of chainsaws and electric saws. > Quick and Efficient: Tooth Sharpener, Chainsaw Sharpener Kit can be cleaned again in just 3-5 seconds. to make your chainsaw as sharp as new and save you work and hassle! Lightweight and easy to carry. Precise maintenance: every time you grind a tooth, you just have to pull the chain. Precise sharpening can ensure that every tooth is repaired! The chain sharpener provides a quick and easy way to sharpen saw chain. Easy to use: The chain sharpener with hand crank is easy to use, similar to a pencil sharpener. All you have to do is lock the position as needed and rotate the handle each time you sharpen it. Special design: In order to meet different types of different hole chains, the sharpener chain saw is equipped with 2 fixed grinding holes, one hole is fixed and the other moves back and forth, which is very flexible.