Flora and Nirvana We print all of our own grinders from our print shop located in sunny Arizona. OUR GRINDERS: 2.5 Inches 4 individual pieces, 3 chambers, 1 mini pollen scraper Made from heavy duty zinc alloy Magnetized top lid keeping precious herbs safe from spills Razor sharp, diamond-shaped teeth capable of grinding your toughest herbs Mesh screen filters the finest pollen O-ring placed between lid and second chamber creating a smoother grinding experience.