Amazing 4 Piece Beverage Can Herb Grinder. This amazing 4 piece grinder has a storage container in the top chamber and a pollen catcher in the bottom chamber. This is a high quality product that will last you years! The storage container is large and you can bring this grinder on the go and always have a place to store your legal smoking herbs and tobacco. Each beer can grinder stand 2 1/2 inches tall. This item ships assorted.