Bach Bass Trombone Outfit 50AF3

Bach Bass Trombone, Professional, 50AF3 TECHNICAL SPECIFICATIONS Double in-line independent rotor system Key of Bb/F/Gb .562" bore 9-1/2" one-piece hand-hammered yellow brass bell Open wrap F attachment with Infinity valves Yellow brass outer slide Clear lacquer finish Bach 1-1/2G mouthpiece 1845C woodshell case.