.Superior Marching Trombone.
The M566 Series Bb Marching Trombone features a .500 inch bore and 8.5 inch bell that provides a rich, resonant voice with easy handling. The M566 offers excellent projection from the field. Known by many players as a flugelbone, this instrument resides one octave below the trumpet, and is an interesting double for either a trombonist or a trumpeter. Ther trumpeter will have the edge with fingering and the trombonist with being accustomed to the mouthpiece.