General description High-quality manual chainsaw chain sharpener designed to fit over the guide bar, allowing for easy and efficient sharpening of your saw chain without the need to remove it. This tool ensures even filing for fast and smooth cutting, making it suitable for all sizes of saw chains. It comes with three round files (4.0mm, 4.8mm, and 5.5mm) to accommodate different chain sizes. Technical specifications Compatible with all sizes of saw chains Includes 3 round files: 4.0mm, 4.8mm, 5.5mm All file angles, depths, and heights are dial-set and locked for consistency