Herb Grinder Aluminum 2.5 Inch 4 Piece Herb Spice Crusher Muller Mills Hand Crank Tobacco Grinder / Spice Grinder / Herb Grinder (Green) Four filter design, Anodize for smooth finish Heavy duty hand crank mechanism, Razor sharp cutting blades Stainless steel pollen screen, Powerful neodymium magnet for tight closure Thin poly ring for smooth grinding, Comes with Sharpstone Pollen Scraper Great for Grinding Spices, Herbs, Tobacco, etc