Description de chez Amazon USA : - American Style: Range from PT20 - PT50<br /> - German Style: Range from PT60 - PT90<br /> - Developed by Dan Perantoni and Robert Tucci, these mouthpieces are considered the pinnacle of professional equipment<br /> - Silver plated<br /> - Perantucci Mouthpieces offer many different models, each designed for a specific purpose<br />