Lots of reed for the money. Easy attack, warm low register, powerful second and third octave and easy-to-play high notes. These are the characteristics of the new Onyx Fiberreed. 25 years of experience in building woodwind synthetic reeds are united with the newest high tech ways of production. Onyx Fiberreed are made of carbon enriched resins. Thats why it is also called the Carbon Onyx fiberreed.