willie's Custom Brass Willie's Tuba Mouthpiece KZ Series KZ8945 II J (SP)

A signature model created jointly by Japan Philharmonic Orchestra's Kazuhiro Yagyu and Tokyo City Philharmonic Orchestra's Kazuhiro Yokota. F-tube model for both orchestras. Supervisors: Kazuhiro Yagyu (Japan Philharmonic Orchestra) and Kazuhiro Yokota (Tokyo City Philharmonic Orchestra). Rim diameter: 32.19mm Throat diameter: 7.55mm