The DAddario Select Jazz Marble Alto Saxophone Mouthpiece is a uniquely stylish mouthpiece designed to evoke the sound of vintage jazz mouthpieces. It is milled from solid rod rubber rather than moulded using computer-controlled technology to precisely manufacture each mouthpiece to the same standard. This model is capable of achieving a classic sound and response with even intonation across the saxophones range. This mouthpiece has a medium-sized chamber and facing length with a medium tip opening of 0.078″ – which balances accurate intonation with expressive capabilities perfect for precise players and soloists. With its fantastic classic sound and limited edition marbled finish you know youll be turning heads using this mouthpiece. Specifications Saxophone type: Alto Material: Milled rubber Tip Opening: 0.078″/1.98mm Facing Length: Medium Chamber Size: Medium Finish: Marbled