This model is produced by the well known Percussion Plus factory. They are built well, have excellent tuning stability and last very well in the sometimes challenging environment of a busy school. The sound is consistent and resonant. It has more than enough power for occasional use in the school band but also works well in a classroom ensemble environment. • Note bars are mounted on a solid Poplar wood red frame • Percussion Plus alto metallophone with high quality steel notebars • Includes 2 F# note bars and one Bb note bar