Herb Grinder Tower #1 Best Grinder for Herbs, Tobacco and Spices 4 Piece 2.5 Inch Aluminium with Pollen Catcher & free scraper ALL METAL Scratch Resistant. NO cheap Plastic or Zinc parts. 4-Piece Chamber, Pollen Catcher, and Large Container Bowl Hard Diamond Sharp Studded Teeth Ensures A Fresh and Great Grind Every Time Nylon O-Ring Prevents Heat and Twisting Friction. Strong Earth Magnet Keeps the Top Cover in Place Free Stash Case preserves herb, with both smell and airtight protection. 100% Grinder Satisfaction! Add one to your cart and buy today.