Alto diatonic glockenspiel (AD-250). Suzuki diatonic glockenspiels add sparkle and excitement to every Orff concert. Each aluminum bar is meticulously tuned for perfect pitch and harmonics. Each Suzuki glockenspiel comes complete with inside note name labeling, bottom positioned pins, 1 Bb and 2 F# bars and 2 pairs of appropriate double headed mallets.