ContraBasson Model 300, by Gebr. Mönnig
professional model
till subcontra-Bb
compact version
14 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, 2 x E, 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
lacquered body
high brilliant silver plated mechanics and bell
3-D hand rest
1 bocal "Heckel" CCV Nr. 1
rollable AluFlight-case and accessories