Morso blades are made from spesial made steel which gives them an excellet quality and a very long life. This is due to the hardness of the blades which is HR64 where other brands are max HR58. Morso blades are a little more expensive than other brands, but they will also last up to 6 times longer. You will need three pari of blades-one on the machine, one ready to put on, and one away for sharpening
