Yanagisawa BWO2 Baritone SaxophoneA cost performance leader that integrates the softer tonal nuances and free blowing characteristics possible with our bronze brass alloy. Professional Model With its new neck design, the professional model affords a more open playing experience with less resistance and good response , and will continue to deliver its solid, rich tone even after many years of play. Key: Eb Range: Low A to High F# Neck: Bronze brass Body: Bronze brass Bow: Bronze brass