Kamenstein Pepper Grinder, Copper NON-CORROSIVE GRINDER: The Kamenstein Pepper Grinder features a non-corrosive, ceramic grinding mechanism that won't absorb flavors or odors. ADJUSTABLE SETTINGS: This salt and pepper grinder has an adjustable grind setting for fine to coarse grinding with just a twist of the knob. PRE-FILLED WITH PEPPERCORNS: The clear acrylic body highlights contents and indicates when it is time to refill. ELIGIBLE FOR 5 YEARS OF FREE SPICES: This product is eligible for 5 years of free spice refills; register at freespicerefills.com. SEALED FOR FRESHNESS: All grinders are filled and sealed for freshness in Kamenstein' s own FDA-approved and monitor facility in Winchendon, Massachusetts, U.S.A.