Practical tool for quickly sharpening the teeth and depth gauge in a single action, significantly reducing chain maintenance time. The sturdy frame allows for a smooth filing action with highly accurate results. All the files are easily replaceable. For 1/4" P, 3/8" P, .325", 3/8" saw chains. Includes round and flat files. Please check which one you need, if you need help finding out which file size fits your chainsaw please don't hesitate to contact us.