What if the chain saw chain is blunt? The nanny-level chain grinding tutorial is coming!
After a period of use, the chain saw chain will become dull due to wear, which will affect the sawing efficiency. If the chain is dull or not sharp, don't change it in a hurry. You can easily polish the dull chain with the POPULO)2002EA chain grinder, make the best use of it and restore the ideal state!