Bach Bb/F tenor trombone TB502B TB502B

Bb/F tenor trombone TB502B TB502B, VINCENT BACH. Quart valve, open-wrap. bore .525 inch = 13.34mm. brass bell ⌀. 8 inch = 203mm. nickel silver inner slide, hard chrome-plated. nickel silver outer slide. finish: clear varnish. original VINCENT BACH 6 1/2AL mouthpiece and slide grease. lightweight case with backpack straps. . .