The accordion Topas III is being in demand among advanced learners and hobby musicians for many years now. This model is the ideal student's accordion due to it's large gamut, it's light weight and the excellent sound it creates. Inclusive hard case and shoulder straps. Color: Grey.SpecsKeys Treble Side: 37Buttons Bass Side: 96Reed Ranks Treble Side: IIIReed Ranks Bass Side: IVRegisters Treble Side: 7Registers Bass Side: 3Range Treble Side: f - f'''Range Bass Side: G - d'' #Weight: 9,7 kg / 21,4 lbsDimensions H x D: 442 x 192 mmKey width: Standard - 20 mmInclusive: Case and Straps