Selecting a professional-grade ceramic pepper mill requires focusing on the grinding core material, housing durability, and adjustable coarseness mechanisms. Buyers should prioritize high-alumina ceramic rotors because they are corrosion-resistant, non-reactive to salt, and maintain sharpness longer than stainless steel. Ensure the housing is made of food-grade materials such as BPA-free acrylic, 304 stainless steel, or sustainably sourced acacia wood. For commercial use, verify that the mill features an infinitely adjustable knob to allow chefs to switch between fine powder and coarse granules easily.