Cerveny VFC-EP8566RS Bb-Euphonium; Emperor Master Line; professional compensating model; 4 valves (3+1); gold brass bell (305mm/12"); yellow brass body; bore 14.73mm (.580") - 16.5mm (.650"); nickel-silver trimmings; drip; stainless steel valves; main tuning slide trigger; 3 waterkeys; siver plated with goldplated bell interior; incl. hard case and mouthpiece