European registered trademark: Virklyee (patent number: 018011508). High quality: The surface is made of high quality wood, smooth and detailed, strong and durable, and has anti-corrosion properties. . Ceramic grinding core: The grinder does not require batteries and can be operated manually. It is more durable and harder than ordinary steel core, and the ground spices are smoother. Please note that the upper nut should not be overtightened, so as not to shorten the life of the grinder. . Adjustable design: Adjust the pepper thickness by turning the screw on top of the grinder. You can turn clockwise to make it thinner and counterclockwise to make it thicker. The included cleaning brush can easily clean the internal residues of the grinder to keep it clean and tidy. . Portable and practical: Use a quality grinder to grind various peppers, salt, sea salt crystals or spices. It is suitable for picnics, dinners, parties, cooking, restaurants, barbecues and hotels. It adds joy to your life. . Good selection of gifts: Very suitable for weddings, birthdays, anniversaries, housewarming parties and other holidays or celebrations such as Christmas or Valentines Day. .