MasterGrind Shield Series 4-Piece Mill Grinder for Herb-Spices-Tobacco - Large (2.5 inch - 63mm) - Silver - Premium Aluminum Grinder with 3 Chambers - Micron Screen - Includes Mini-Scraper PREMIUM MILL GRINDER, AEROSPACE GRADE ALUMINUM - Precision milled 4 piece, 3 chamber aluminum hand crank grinder from the "MasterGrind Shield Series" range of grinders for dried herb, spices and tobacco. Made from Aerospace Grade Aluminum Alloy and using 100% CNC machined pieces that fit perfectly together. Fixed Hand Crank mechanism will not loosen over time unlike inferior folding versions. PERFECT GRIND EVERY TIME! - Razor Sharp "Lion's Tooth" curved diamond teeth cut and fluff your herb - ensuring the optimal surface area is exposed. The Non-Stick Nylon O-ring ensures smooth grinding, preventing metal-to-metal contact and residue build-up. MAGNETIC LID PREVENTS SPILLAGE, MICRON SCREEN CATCHES ULTRA FINE GRINDS - Powerful Neodymium Rare-Earth Magnets - the strongest permanent magnets available - hold the lid of the grinder tightly shut to avoid spillage. And, the Micron Screen catches the finest grinds and pollen in the third chamber. DISCREETLY PACKAGED, INCLUDES CARRYING BAG AND MINI-SCRAPER - Discreetly packaged in a plain cardboard outer box. Includes a matched Velvet Bag and Mini-Scraper, so that you can keep your grinder clean and protected for years to come. The perfect gift for the MasterRoller in your life! MASTERDAM 100% SATISFACTION GUARANTEE! - We stand behind every product we sell. If you aren't completely satisfied, please let us know and give us a chance to address your concerns. We hope to earn your business for a lifetime and won't rest until you're 100% satisfied with your Masterdam Purchase. Buy with confidence!