Evenly DM47 electric grinder features zero residue, zero waste, and grinding evenly. It can grind all kinds of coffee beans. The roasting degree is light, medium, and deep. It can grind soft beans and hard beans. It has a full range of coarse, medium, and fine scales. The grinding thickness is easy to adjust. It can be used for espresso coffee. It can be brewed by hand. There are also two innovative designed spring powder nozzles and air blowing chambers that are combined to prevent residual powder.