Jack Daniels Tasting Set Gift Box 40-45% 3 x 5 cl 1 x Gentleman Jack 50 ml, 1 x Jack Daniels Old No.7 50 ml, 1 x Jack Daniel Single Barrel 50 ml Jack Daniels Gentleman Jack is the only Tennessee Whiskey that undergoes a dual carbon filtration process, making it particularly mild and aromatic. Jack Daniels Old No.7 has been produced since 1866 in unchanged original recipe and matured in barrels of American white oak. It has a smoky aroma. Jack Daniel's Single Barrel is unique with each barrel. Each barrel has its own character.