Keep your chain sharp and ready to go with the CountyLine Bar Mount Chainsaw Chain Sharpener. With this sharpener, you can get professional quality results without having to remove the chain. It securely and easily attaches to all guide bars and provides precise, accurate, and sharp results equal to motorized grinders. All angles, heights and depths are dial set. This saw chain sharpener is compatible with 3/8 in. LP, 0.325 in., 3/8 in. and 0.404 in. pitches. Satisfaction guaranteed.