PREMIUM MATERIAL - This Salt and Pepper grinder set is made of natural Oak wood, carbon steel nut, adjustable ceramic rotor, carbon steel grinding core, no plastic material and non-corrosive, which makes it healthy and durable in daily use. LARGE CAPACITY- Premium salt and pepper grinder set design with 5 inch tall avoids repeating filling. Portable and practical for kitchen, barbecue, camping, picnic, party, birthday, holiday, travel. ADJUSTABLE GRINDING SETTING- Adjustable carbon steel grinding core, you can adjust fine/coarse grinding to get the fresh seasoning every time and enjoy your food more with the fresh, original taste. EASY RECOGNITION- Oak wood grinders can store salt, pepper and other spice, two different colors help you easily identify different spice with no mess. How To Use: Step 1: Turn on the top nut, remove the top cover. Step 2: Put the pepper, black pepper, sea salt, red pepper, black pepper or other crisp spices into the mill. Step 3: Replace the cover and twist back the nut, than rotating the top cover, turn the nut clockwise for a fine grind, the counterclockwise for coarse grind