Every chainsaw owner should have a Saw Chain Filing Kit and a Saw Chain Depth Gauge Tool to properly maintain the edge on the cutter and file down the depth gauge of your chainsaw’s teeth.

What You Will Need to Sharpen a Chainsaw See It There are loads of sharpeners available, but for this method, you will need a simple, inexpensive file and guide set from Oregon. The set includes a ...

These include: Rounded file File guide Flat file Depth gauge Protective eyewear You can get all of these, except the eyewear, in a good chainsaw sharpening kit.

The only chainsaw sharpening tool you'll need is STIHL's 2-in-1 flat filing gauge. Chainsaw files make sharpening angles 100x easier. Note that there are multiple file diameters.

Checking these gauges is the most missed part of the process of how to sharpen a chainsaw—and is just as crucial as the cutters. The depth gauges determine the height of the cut.

To maintain the proportion between the two and preserve your chainsaw’s wood-chewing power, you need to file down the depth gauge occasionally to match the shortened cutter.