The Primary Line FSC Soprano Metallophone has a mellow sound with plenty of volume. It features 16 special alloy metal bars that are precision tuned to A 440 by hand. The note range is C2 to A3 with two F# and one Bb included. Note names and notation symbols printed on each bar. Comes with one pair of SCH 5 mallets. A new resonator box design offers improved resonance and a more balanced tone. Cross laminated FSC certified pure birch plywood ensures greater strength and durability. 100% glued seams provide true resonance and sound clarity (no screws are used to hold the box together). Reinforced end plates add extra carrying support. Flexible rubber pins allow easy removal or replacement of bars. Resonator box can be used with accessory legs or BT trolley chromatic add-ons (sold separately). 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. Tonal range: C2 to A3 Number of bars: 16 Tones: C2, D2, E2, F2, F#2, G2, A2, Bb2, B2, C3, D3, E3, F3, F#3, G3, A3 Scale: C major Sound bar material: Metal, specially light alloy Sound bar color: Silver Sound bar width: 1.37" (35mm) Sound bars thickness: 0.19" (5mm) Tuning: Fundamental Resonator box: 6 chambers made of FSC certified birch plywood Finish: Non-toxic Proterra eco-friendly Mallets: One pair SCH 5