Chainsaw Chain Sharpener, Manual Chain Sharpener Guide Tool, Bar-Mounted Filing Parts for Chainsaw - LIAIKI

Suitable for all saw chain sizes. All you need is the correct size round file for your chain. All angles, depths, and file heights are set and locked for consistency. Fits on the guide bar for sharpening the saw chain; you don't need to remove your chain, and it ensures even filing for a fast, smooth cut.