Enjoy your drinks, literally, on the rocks! This set of six Bartender Whisky Discs, in a decorative wood tray are the perfect addition for any bar, and that hard to buy for whiskey drinker. Made from high quality granite stone, this set of Bartender Whisky Discs will cool your favourite drink with ease, without diluting the taste. To use, simply place the discs in the freezer for at least four hours. When your drink is ready pop two to three discs into your glass and enjoy.