Tonal range: C2 to A3Number of bars: 16Tones: C2, D2, E2, F2, F#2, G2, A2, Bb2, B2, C3, D3, E3, F3, F#3, G3, A3Scale: C majorSound bar material: Metal, specially light alloySound bar color: SilverSound bar width: 1.37" (35mm)Sound bars thickness: 0.19" (5mm)Tuning: FundamentalResonator box: 6 chambers made of FSC certified birch plywoodFinish: Non-toxic Proterra eco-friendlyMallets: One pair SCH 5