Fangrui Product Details 1.multi Functional Operation: Iixeal Salt And Pepper Mills Combo Can Be Used With Any Variety Of Peppercorns, Salts (including Pink Himalayan Salt) , Dried Herb (including Basil, Rosemary, Parsley And Cumin Seeds) Or Even The Toughest Mung Bean And Adzuki Bean, Allowing For A Wide Range Of Culinary Applications.2.safe And Durable: Premium Dual Chambers Are Made Of Bpa Free, Sturdy Acrylic, While The Body Are Rust-proof 304 Stainless Steel And Food Grade Abs. Inner Non-corrosive Ceramic Core, That Will Rust Or Dull, Making It Healthy And Environmentally.3.2-in-1 Grinder: Unique Double-headed Design Make It Possible To Grind Two Different Seasonings At The Same Time While Cooking In Hurry, Taking Up Less Space In Your Kitchen Than A Set Of Two Individual Ones. It Is Light And Convenient Enough To Carry With You When Traveling.4.easy To Pass: Compact Size Makes It Easy To Hold, Operate And Pass Around The Table, It Looks Elegant And Great On Your Spice Rack, Countertop Or Dining Room Table.5.adjustable Coarseness: The Manual Grinder Set Can Be Set From Fine To Coarse According To Your Needs. Anticlockwise For Coarseness, Clockwise For Fineness.