Santa Cruz 2 Piece Aluminum Herb Grinder Pink Large 70mm Large Size has a Diameter of About 2.75" or 70mm Neodymium Rare Earth Magnets Create an Airtight Seal Patented Tooth Design "Fluffs to Perfection" Durable Medical Grade Anodized Aluminum Build Deep Knurled Grip Provides an Effortless Twist