Strasser Professional G/C/F/B, Professional Styrian, G/C/F/Bb, 4 Rows, 3 Chords, 46 Treble buttons, 15 Bass buttons (8 basses, 7 accompaniments, 1 double bass key), Patented SKL treble mechanics, Padded velvet straps, Handstrap, Bellows protector, Plush case, Size: 36 x 20 cm, Weight: 7.1 kg