The Vauen Oak is a white dot grade range from the German pipe manufacturers that has a unique two tone finish. The Vauen Oak 159 is a straight bulldog that has a smooth brown finish on the shank. The smooth, natural finish on the bowl and the end of the mouthpiece creates a beautiful contrast, giving the Oak a unique look. Like all pipes in the Oak range, the 159 is fitted with an acrylic mouthpiece that has a fishtail mouthpiece and takes 9mm filter.