GET THE PERFECT GRIND - Cookies's Razor Sharp Curved Teeth Shred & Fluff your Herb with Ease, while precisely sized hole pattern ensures a consistent, perfect grind. You will LOVE using this grinder! PRECISION MILLED AEROSPACE-GRADE ALUMINUM - Scratch Resistant, Hard Anodized Aluminum ensures long-lasting durability; Non-Stick Nylon Ring ensures smooth grinding and prevents metal-on-metal contact and residue build-up. Avoid inferior zinc-alloy grinders. MAXIMUM COLLECTION - Our Micron Screen sifts to get the optimal catch and our New Rounded Base Chamber ensures you get ALL of the herb. You wonrsquot leave any behind with this herb grinder. MAGNETIC LID & THREADED CHAMBERS - Powerful Neodymium magnets in the lid enable quick loading and secures your herbs when grinding; while the threaded lower chambers prevent spillage and keep your ground herb contained until ready. 100% Satisfaction Guarantee - Buy Risk-Free and with Confidence! We stand behind every product we sell. We won't rest until you are completely satisfied.