Bach AT501 Eb Bb / F trombone

Eb Alto Trombone from the AT501 series. This instrument features Dual bore .481" / .491" = 12,2 / 12,4 mm, Yellow brass bell Ø 7,5'' = 190 mm, Hard chrome-plated nickel silver inner slide, Nickel silver outer slide, Clear lacquer finish, Original VINCENT BACH 12C mouthpiece and slide grease, Light weight case with rucksack assembly.