1.【Material】: ceramic grinding cores are more durable and harder than ordinary steel cores, and the grinding spices are more delicate and smooth; please note that if the life of the grinder is shortened, the top nut should not be over-tightened. 2.【Keep it clean】: This electric salt and pepper grinder looks great on the table or kitchen, keeping your table clean. 3.【One-handed operation】: Super simple button salt and pepper set, easy to use, easy to fill, assemble, disassemble and clean. 4.【Adjustable size】: The fineness of the grinder is steplessly adjustable. This electric salt and pepper grinder can grind various peppers and spices. 5.【Scope of application】: black pepper, white pepper, sea salt, and other solid particles, very suitable for grinding cumin, cardamom, flaxseed, sesame, and cloves.