Soprano Metalophone, c2 - f3, 13 bars, 1 pair of mallets SCH 17, C-major scale w/f#2 and b=bb2; blue special alloy metal bars 30 x 4 mm; fundamental tuning, resonator box from pine plywoodThe Sonor Soprano Metallophon SM consists of a resonance box made of pine plywood and blue sound plates made of special alloy metal. The Metallophone has 13 bars (c2-f3) in fundamental tuning, which form a C major scale. Included is a pair of felt head mallets. The size of the bars is 30 mm x 4 mm.