The unique and easy-to-use Stihl EASY FILE sharpening system is the perfect tool for maintaining your chainsaw. It simplifies saw chain sharpening by performing two functions at once - sharpening the cutter and lowering the depth stop in a few simple movements. The system includes two round files, one flat file and comes with a unique holder and sharpening guide. All files are easily replaceable. The tool is easy to use, making it easy to sharpen the chain at the correct angle. The Stihl EASY FILE sharpening system does more with each stroke, greatly reducing saw chain maintenance time. Ideal for regular use for 325” saw chains.