This 18" Flour Mill Emery Stone is a high-quality, heavy-duty stone that is designed to grind and mill various grains and spices. It is suitable for use in commercial flour mills or at home for making fresh, wholesome flour. The emery stone is made from natural materials and is extremely durable, ensuring long-lasting performance. With its large 18" size, this emery stone is capable of producing large quantities of finely ground flour with ease. Whether you are a professional baker or a home cook looking to make your own flour, this 18" Flour Mill Emery Stone is the perfect tool for the job.