EUPHONIUM Export Line    
Bore: 7.2 6.8 6.6
Exclusive     Very  
  Rim (mm) Cup (mm) Deep Deep Medium
EU3 40.5 27.00 3A 3B 3C
EU4 40.0 26.50 4A 4B 4C
EU5 40.0 26.00 5A 5B 5C
EU6 39.0 25.75 6A 6B 6C
EU7 39.0 25,5 7A 7B 7C
EU8 39.0 25.25 8A 8B 8C
EU9 38.0 25.00 9A 9B 9C
See Also Trombone Mouthpieces