Ponzol Custom Model Tenor Saxophone MouthpiecePeter Ponzol Custom Model Tenor Saxophone Mouthpiece. Precision machined from Delrin and hand faced. This model is a Delrin version of the popular M2 Model mouthpiece. It is a powerful mouthpiece with a fairly bright tone. The Delrin gives it even more depth and complexity to the tone. The size of this mouthpiece is unique. The body size of this mouthpiece is the same as many metal mouthpieces, so it feels much smaller in the mouth than a typical