Jack Daniels Old No. 7 40% 1LJack Daniels whiskey Jack Daniels whiskey is mellowed drop by drop through 10 feet of sugar maple charcoal. Then it is matured in handcrafted barrels. This product reflects a method known for patience, consistency, and a smooth character. Jack Daniel's Tennessee Whiskey doesn't follow a calendar. It's only ready when tasters say it is. That approach gives this tennessee whiskey a distinctive identity and a dependable style. Judged by the way it looks,