Sonor TAKM10, Tenor-Alto Metallophone, Meisterklasse Series, tonal range c1-c3, C-major scale with f-sharp1, b-flat1, f-sharp2 and b-flat2, 19 bars, overtone tuning up to h1, fundamental tuning from c2, grey special alloy metal bars 38 x 10 mm, resonator with 4 chambers made of pinewood, ply-wood, included Beater 1 pair SCH 16,