Landerer De Luxe Olive Bb/Eb/Ab/Db, Styrian Accordion, Tuning: Bb / Eb / Ab / Db, 46 3-Course treble keys, 2 Semitones, 18 Basses, including 4 double helicons, 5 helicons, 1 bass chord and 8 accompaniment chords, With X- and B-bass, Tipo A MANO reedplates, Michlbauer system, Readjusted by hand for optimal response and precision-tuned, Convinces with low air consumption, low weight, easy response and brilliant sound, Made of solid olive wood