Black Button Distilling Cask Strength Straight Bourbon WhiskeyOur classic Four Grain Straight Bourbon Whiskey blend but bottled at straight from the barrel strength. Keeping the bourbon uncut provides an entirely different flavor profile. A hint of citrus and vanilla on the nose, smooth butterscotch on the tongue, and a little woody spice at the finish. Even at cask strength, this whiskey remains an easy drinker, true to a Black Button Bourbon. 55. 1% Alc. Vol. Distilled and Bottled by Black Button Distilling in