Ponzol EBO 75 Alto Saxophone Mouthpiece (NEW)The EBO mouthpiece line is the latest version of the traditional and vintage hard rubber mouthpieces we have offered over the past 35+ years. The material is the highest grade of German Ebonite. These are traditional style mouthpieces and very versatile for many styles of music. The EBO Alto Mouthpiece is a traditional style medium chamber mouthpiece. It is made using traditional molding methods and is hand faced. Tip opening measures . 075. Includes