Ongrok's 5-piece toothless herb grinder is made from aircraft grade aluminum. A floral pattern on the interior replaces typical teeth for a uniquely fine grind. Its built-in storage jar is dangerously deep and is sealed with an airtight lid for optimal freshness. Utilizing a quarter turn locking function makes it a breeze to open and use, while a super strong magnet holds the other levels in place. Cleaning is a breeze with the removable screen, just lift the handle and turn counter clockwise to detach.