The Ceramic millstone and grindstone are crafted from a unique, high-tech ceramic material that is harder than steel.Featuring specially engineered spiral blades, the millstone ensures a closer, smoother, and more effortless grind, making it easier to achieve the perfect consistency with every use.In testing, T&G milled 50 kilograms of peppercorns and then in the same mill, a further 50 kilograms of sea salt. The mill continued to work perfectly equivalent to 400 years of domestic use!Established in 1975, T&G is a family-run business, based in rural Lincolnshire, United Kingdom.The T&G mission is to design, produce, and responsibly source exceptional-quality products that withstand the demands of real life.With over 40 years in business, few kitchens wont have one of their products!