Thomann Concert IV/V 96 Double Octave, Accordion, 96 Basses, 37 Treble keys, 4 Reeds, 11 Reed ranks on the treble side, Double octave tuning, 96 basses, 5 Reed ranks on the bass side, 3 Bass registers, Colour: Black, Weight: 9.9 kg, Incl. Case and straps