Roy Benson Bb-Euphonium EP-302 Student Pro Series •14,5 - 16,8 mm bore •Brass body •Ø 28 cm bell •Gold brass leadpipe •Nickel silver outer slides •3 valves (3 top, 1 side action) •Stainless steel pistons •Lacquered finish •Light weight form shaped case with rucksack assembly •Weight approx. 3,7 kg