Sonor Meisterklasse Series SG 25 Soprano Glockenspiel - C3-C5 range, chromatic scale, fundamental tuning, 25 special alloy metal bars (25 x 5mm), beechwood resonator (solid and plywood), includes 1 pair of SCH 40 mallets and 1 pair of SCH 95 mallets. The metal bars of the Meisterklasse glockenspiels are 20% wider. This enhances playability and offer a greater sound spectrum.