This durable aluminum handheld mill grinder really gets the job done! Featuring a stainless steel grinding disc combined with a fine mesh screen that can handle the toughest material without shedding an metal or altering the taste of what you grind. It comes with an air-tight dish-shaped container which is attachable to the grinder if the funnel is unscrewed. A glass vial can also be attached to the bottom of the funnel. This is the most durable mill grinder on the market and is strong enough to last forever!