The spice grinders are equipped with steel milled grinding machines, which are made on automatic machines and are professionally hardened. This proven method of production guarantees a very long service life. The warranty given for the grinding mechanism is 10 years, but we can say from practice that you can use our grinders for decades if handled correctly. unchanged technology have been producing for almost 90 years, they are still fully functional. The adjustment system by means of a adjusting nut or screw allows the grinding fineness to be set to the required degree from very coarse grinding to very fine. The grinder must not be used to grind salt. Grinder height even with 13 cm screw.