• ✅【Material】plastic + oil stone, whetstone suitable for the sharpener mounted on the pole.
  • ✅【Efficient】Provides a fast, simple and portable saw chain sharpening method. This allows the user to sharpen the chain during the work on the saw.
  • ✅【Design】The chain sharpener is designed with 2 holes, one hole is fixed, the other is adjustable, suitable for 14",16",18",20", and does not support one hole chain saw. The black bottom is elastic and adjusts the distance of the sharpener.
  • ✅【How to use】Attach,when the chain dulls,simply attach the bar-mount sharpener to the guide bar.Twin guide holes in the top of the bar make perfect alignment fool-proof. Sharpen,press the tip of the sharpener to a solid surface for 3-5 seconds. Cut,it's back to the job,worling faster with less effort.
  • ✅【Safer】To protect your hands from injury, this precision chain saw sharpening system is not only fast but also very sharp, please ensure that the screws are locked and tightened during the installation process..In order to be safer in sharpening, remember to fix and tighten the screws when sharpening the knife to prevent the popping of wood chips from becoming more crazy .

After sharpening, I found that the chain I gave up before was still sharp, and I should get it earlier. According to the seller's instructions, after fixing, tighten the black screws, which will be safer during the sharpening process.