Tonal range: C to A1Number of bars: 16Tones: C, D, E, F, F#, G, A, Bb, B, C1, D1, E1, F1, F#1, G1, A1Scale: C majorSound bar material: Metal, specially light alloySound bar color: SilverSound bar width: 1.37" (35mm)Sound bars thickness: 0.39" (10mm)Tuning: overtone tuning up to A, fundamental tuning from BbResonator box: With 6 chambers made of FSC certified birch plywoodFinish: Non-toxic Proterra eco-friendlyMallets: One pair SCH 15