SUZUKI diatonic metallophones add a full, lasting resonation to your instrument ensemble necessary for a complete concert sound. Each metallophone bar is manufactured from the finest aluminum alloys, then skillfully overtone tuned for perfect pitch and harmonics. All metallophones include mallet storage, chromatic bar storage, bottom positioned pins, note name labeling inside each resonator chamber. Each diatonic metallophone includes one Bb and two F# bars, 2 pairs of appropriate mallets and damper bar with adjustable handle.