1.MATERIAL: Made from a robust stainless steel 2.CERAMIC GRINDER: Long lasting and durable grinding mechanism, designed to withstand years of use 3.ADJUSTABLE COARSENESS: To produce a finer grain of salt or pepper, adjust the screw top so that it has a tighter fit. Rotate anti-clockwise for a finer and clockwise for coarser grind 4.Satin finished Stainless Steel perfectly complements these traditionally designed salt and pepper mills, which will add a touch of class to your kitchen 5.PERFECT SIZES