Adjustable Coarseness and Easy to UseThe salt and pepper grinding bottles with a ceramic core. You can adjust the size of the salt and pepper just by turning the top knob. (Anticlockwise for coarseness, Clockwise for fineness) . Multi-Purpose Salt and Pepper MillsExcellent salt and pepper mill set not only just suits salt and pepper, but also fits fennel granule, sea salt, black peppercorn, chili, coriander, cumin seeds, paprika, cloves, prickly ash, rosemary, thyme, sesame, and more. Its an indispensable utensil in your kitchen. . Refillable Salt Pepper GrindersTransparent acrylic material has crystal transparency and clear vision. It is convenient for us to grasp the quantity of pepper and better distinguish different seasonings, which is convenient and quick and saves time, large capacity avoids repeat spice refilling. . Perfect SizeOur Salt and pepper shaker works smoothly and efficiently, grinds your rock salt and peppercorns perfectly well. The size of the grinder is 8 inches high and 2.2 inches wide. The mills have a large capacity, are easily refillable, and can be used with a vast array of spices and seasonings. (Salt and Pepper are not included). . Premium Material CraftsmanshipThe top and bottom of the salt pepper grinder is made of natural wood, the body is made of transparent acrylic material, which is abrasion-resistant and the grinding core is made of high-quality ceramics, with no odor, and no rust. It is an elegant and stylish addition to kitchen and table use. .