Miami Grind - Chromium Herb Grinder - Pollen Catcher + Scraper + 4 Piece Spice Mill (Blue) Lightweight tobacco grinder with heavy duty, durable construction. Magnetic closure and no more scratchy sound when grinding. Our grinders are made from Zinc Alloy coated with Chromium and not dangerous aluminum (linked to Alzheimer's disease) 4 Piece, 3 Chamber Spice Grinder The Only Food Mill on the Market with 50 Diamond Shaped Teeth for the Best Consistency