1、MAIN PURPOSE: The chainsaw sharpener is used to maintain the top shape of the chainsaw, and the pawl ensures accurate and repeatable tooth positioning. 2、EASY OPERATION: Each time you grind the chain saw, you just need to pull the chain, which ensures that each chain saw tooth is repaired, simple and practical. 3、SIMPLE INSTALLATION: Simply connect the clamp to the rod, place the pawl on the tooth, insert the burr into the guide sleeve, and then turn the handle to use. 4、STABLE STRUCTURE: Standard 30° pointed angle anodized clamp with detachable crank and 12‑20in chain saw guide sleeve, which is convenient for installation and use. 5、METAL MATERIAL: The chainsaw sharpener is made of stainless steel and alloy, with high hardness, wear resistance, no deformation and has a long service life.