12 rollers: C and Eb (wing joint); Eb and C# (little finger left hand); F, F# and Ab (little finger right hand); C and D (left thumb); Bb, F# and Ab (right thumb)
double Eb-key for right index finger
E/F#-trill key (wing joint)
3rd octave valve for better response in high register
self-drainage of tuning slide
well seasoned and long time stocked flamed Bosnian Maple wood
12 rollers: C and Eb (wing joint); Eb and C# (little finger left hand); F, F# and Ab (little finger right hand); C and D (left thumb); Bb, F# and Ab (right thumb)
double Eb-key for right index finger
E/F#-trill key (wing joint)
3rd octave valve for better response in high register
self-drainage of tuning slide
well seasoned and long time stocked flamed Bosnian Maple wood
CN
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