Did you know that bad tooth sharpening has little to do with unwanted curve in your cut? Unattended depth gauges cause chain to act dull by creating a small chip, while over-filed gauges cause teeth to cut too much wood, bogging your saw. (.404 pitch)
Husky's Depth Gauge for .404 Pitch Chain. Specially designed depth gauges that give the correct filing angels, use togheter with flat files. With the correct raker clearance you get the maximum performance.