1. Material: Beech + Ceramic + Stainless Steel 2. Purpose: grinding seasoning 3. Application: black and white pepper, sesame, pepper, medicine 4. Product size: 5 inches: 5.5x5.5x14.2 cm, 6 inches: 5.5x5.5x17 cm, 8 inches: 5.5x5.5x21.2 cm 5. Product net weight: 5 inches: about 146 grams, 6 inches: about 183 grams, 8 inches: about 214 grams 6. Selected beech wood material, feel comfortable 7. Simple operation, easy to get started 8. Thickness can be adjusted freely 9. Ceramic grinding core, strong corrosion resistance