DCOU New Design Premium Hidden Filtration Layer Herb Grinder 2.2 Inches 4 Piece with Pollen Catcher Aluminum Tobacco Grinder Spice Grinder Black Special Design-With Hidden Filtration Layer, Compact 4 Layers Size Is Same As 3 Layers Size,Easy To Travel With A Pocket Grinder. LIGHTWEIGHT-- Our grinders Are Lightweight Since They Are Made From Aircraft Grade Aluminum SOLID Scratch Resistant ALL METAL Construction. NO Plastic or Zinc parts are involved.Anodized Finish Looks Amazing And Prevents Flaking, Pealing or Smudge Marks. DURABLE HERB GRINDER with 28 ultra sharp teeth shred dried herbs, tobacco or other dried plant material, it is extreme efficiency and effortless shredding. HEAVY GRINDER With Powerful Rare Earth Magnets - Keep The Lid In Place, Your Herbs Fresh And The Odors In The Grinder. MICRON MESH to filter out the purest pollen and FREE SCRAPER included. Our thin Poly O-Ring Guarantees Smooth Grinding. YOUR SATISFACTION Is 100% GUARANTEED. In The Unlikely Event You Don't Love Your Grinder Let Us Know And We'll Send You A Refund. We Offer A LIFETIME Warranty On Our Grinders. We Love Our Customers. No Hassles, No Problems! Your Satisfaction Is Our Top Priority!