CONSISTENT, FINE GRIND | This metal herb crusher is crafted out of solid, aircraft grade aluminum. Inside of the aesthetic finish, this grinder uses a flower shaped tooth pattern to evenly mill herbs & spices and provide an effortless fine grind! BUILT-IN STORAGE JAR | This 5 piece grinder features a deep storage chamber with an airtight lid & o-ring seal to preserve freshness.  Perfect for storing gummies, tea or other moisture sensitive items while on-the-go! NEODYMIUM MAGNET & UNIQUE LOCKING FUNCTION | The ONGROK 5 Piece Storage Grinder uses a quarter turn locking function, so it's easy to open and access your materials. A powerful neodymium magnet holds other chambers in place until you’re ready to use. REMOVABLE SCREEN FOR EASY CLEANING | This large, handheld grinder contains a removable screen for easy cleaning. To remove the screen, just lift the handle and turn counter-clockwise. RISK-FREE GUARANTEE | At ONGROK, our goal is to "ENHANCE YOUR EXPERIENCE", by bringing you the best service and products possible. If you're ever dissatisfied, reach out to us online, and we'll be certain to make things right!