Grinds instantly. Grinding wheels: do not lose sharpness and do not rust. Low-speed grinding: better preserves properties and aromas. Simple operation. Very easy to clean. - Traditional spice grinder system: the top screw moves a central shaft that transmits the rotation to a ceramic gear-shaped mechanism, which receives the peppercorns or other spices and grinds them. - Dishwasher safe. - Presented in a printed box.