Bach 50B Stradivarius Bass Trombones

Bach Professional Stradivarius Bass Trombones
9.5" One piece hand hammered yellow brass bell
.562" Bore
Key of Bb/F
Yellow brass outer slide
Includes Bach mouthpiece and deluxe wood shell case
Options:
50B Single Rotor
50B2 Double Traditional Rotor
50B3 Double Independent Rotor