The Sonor Glockenspiel NG11 is an alto glockenspiel with a tonal range of c2-a3. The resonance box is made from beech wood and beech plywood while the red sound bars are made of steel tuned to the C major scale. A pair of mallets are included making this a perfect glockenspiel for in the studio or class room. The Sonor Glockenspiel NG11 features include: Alto Glockenspiel Tonal range: c2 to a3 16 bars Fundamental tuning Red steel sound bars tuned to the C major scale Resonator box made of beech wood and beech plywood Mallets included 1 pair of SCH 40