Euphonium Material:Brass body,Cupronickel valves Size:Bore size 15mm,Bell Dia.280mm Finish:Gold lacquer EuphoniumModel:FEU-600 Detailed introduction: Material:Brass body,Cupronickel valves Size:Bore size 15mm,Bell Dia.280mm Finish:Gold lacquer Tone:Bb FEU-600 Euphonium