Product Description Size: 4 inch Package: 1 oak wood grinder Color: white, red, black How to use: Step 1. Loosen the stainless steel nut. Step 2. Open the round wooden lid, pour in peppercorns or sea salt. Step 3. Unscrew the lid. Push to the right and turn the wood cover over. Step 4. Turn the nut clockwise for a fine grind. Step 5. Turn the nut counter-clockwise for a coarser grind. > 1. PREMIUM MATERIAL Durable high quality rubber wood, aluminum coating, ceramic grinding heart. Excellent non-corrosive ceramic grinder. If you want the best, this one is for you. 2. Strong Adjustable Coarseness Adjust the grind level by turning the top knob for a fine or coarse setting. The special slice-and-grind mechanism extracts the maximum flavor from peppercorns. Refilling is easy by unscrewing the top knob and lifting at the top. Style, durability and reliability have been built into each product with the finest materials and mechanisms. 3. EASY TO USERetro design, understated luxury, easy-to-use grinding and meticulous. Just turn the grinding head screw to adjust the roughness. Once set, you will be surprised how smoothly and effortlessly the spices are ground Make freshly ground food at any time, give you exquisite European cuisine, It is 4 inches, high volume, selection Anti-corrosion, environmentally friendly, resistance to falling is not easy to break . 4. EASY RECOGNITION Oak wood grinders can store salt, pepper and other spices. Two different colors help you distinguish different spices for easier identification.