Weltmeister Saphir 41/120/IV115; piano accordion; 120 bass keys; 41 treble keys; 4 treble choirs; 11 treble registers; 4 bass choirs; 5 bass registers; Italian reed plates; double octave tuning; dimensions (W x D): 485 x 195 mm; weight: 10.6 kg; color: black; incl. case, Weltmeister 34/41 Comfort strap and bellows protector