The Primary Line FSC Soprano Glockenspiel features 16 metal bars and a birch resonator box. The note range is C3 to A4 with two F# and one Bb included. The Glockenspiel is an excellent tool for elementary school music education. Comes with a pair of SCH 95 mallets.Primary Line offers the most Orff (tone bar) instruments manufactured of wood from FSC (Forest Stewardship Council) certified forests at no additional charge! All FSC models perfectly complement in pitch, timbre, and intonation of existing Primary Line models.