Crafted with a longer vamp for flexibility of color and volume, Organic Reserve Bass Clarinet reeds give you more depth of tone. These reeds contain squared tip corners for ease of response, plus a thicker tip for added support. • D'Addario has pioneered the first practical and precise system to digitally measure and cut the incredibly complex geometrical patterns necessary to re-invent single reeds. Reserve reeds are cut to the tightest tolerances, offering the most consistent performance. • Ideal for the advancing student and professional looking for a clear, even sound • All D’Addario reeds are designed and manufactured in the USA from naturally-grown cane