GRAVITY FUNCTION ＆ SUPER CONVENIENT - Turn on the girnder and simply turn the grinder up side down,it start grinding automaticlly,then seasoning inside come into powder and fall down on your irresistible delicious roast or steak.Farewell to troublesome operation from now on,enjoy your meal at ease. ADJUSTABLE GRINDING COARSENESS - Simply turn the knob on the top to reach perfect coarseness you want. Turn clockwise for a finer grind and counterclockwise for a coarser grind.Ceramic rotor makes it smooth operated and labor-saving. MODERN DESIGN ＆ HIGH QUALITY - Stylish, elegant design and superior quality.Requires 4 AA Batteries. (Batteries are not included) WIDE USAGE FOR All SPICES and SALT - Perfect for sea salts, pepper, white peppercorns, red pepper and other spices. Free Gift ＆ CUSTOMER CARE PROMISE - Free Garlic Roller is included. For any reason you aren\'t satisfied with the salt and pepper mill set, we will replace or refund your money,CONTACT US directly and we will take care of you. We love to help!