Trophy 25 Note Chromatic Bell Set, All bars are pure steel and electronically tuned to A-440 for accurate intonation. Resonator bars are made from bell quality steel with each bell individually tuned to insure uniformity from set to set as well as within each set. Tone chambers are manufactured to produce enhanced resonance. Each bar is engraved with the note for easy learning and playing. Case included. Features: Case included Shipped insured Brand New!