we work.
then use a metal file to sharpen the blades. move the file at an angle of 40-45º until the bright edge remains and the notches that had been produced disappear.
it is very important that you do not sharpen the blades too much (it is not a question of leaving it like a ham knife), with which you notice the sharp edge is enough, as the blades when turning quickly, will cut the lawn without any problem.
sharpening the blades to machines is a process similar to sharpening by hand, but obviously with some type of electric tool. we are going to give you 3 options so that you can choose 