[High quality]: ceramic grinding core, more durable and harder than normal steel nucleus, fine spices and smooth rubbing; Please note that the upper nut is not too tight when the life of the wheel is shortened. [Operation use of one hand]: Salt set and super simple pepper with the pressure of a button, easy to use. Easy to fill, assemble, dismantle and clean. [Adjustable coarseness]: a mill that can adjust roughness gives you a higher seasoning. You can easily adjust the size of the spices to meet your different needs by turning the button located at the bottom of the grinder. [clean and ordered]: this salt mill and electric pepper the air well on a table or a kitchen. Rubber caps keep your table clean.