1. For saw chain filing.2. High quality and easy to use sharpener that fits onto the guide bar to sharpen the saw chain.3. No need to remove your chain and ensures even filing for fast and cutting.4. Suitable for all sizes of saw chain, all you need to fit is the size of round file to suit your chain.5. All angles, depths, and file are dial set, and locked in place for consistency.Specification:Condition:Material: Aluminum + plasticColor: Black + redSize: .Weight: .404g/14.3ozPackage Contents: 1 * Chain SharpenerOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.