Mill Set [2 Automatic Grinders] Black Stainless Steel (Adjustable Grinding Fineness, Ceramic Grinding Wheels, for Dried Spices, LED Lighting)High quality ceramic grinding wheels. Self-sharpening blades for a flawless and long-lasting result Adjustable grinding fineness from fine to thick. Equipped with a light at the base for precise dosing Can grind coarse salt, peppercorns, herbs and spices,Grinders are powered by 4 x AA batteries (not included). Includes 2 brackets.