Bach Bb/F/Gb/D bass trombone TB504 TB504

Bb/F/Gb/D bass trombone TB504 TB504, VINCENT BACH. Bore .562 inch = 14.3mm. Brass bell ⌀. 10'' = 254mm. Nickel silver inner slide, hard chrome-plated. Nickel silver outer slide. Individually adjustable hand rest. Additional Eb/G slide. Finish: clear varnish. Original VINCENT BACH 1 1/2G mouthpiece and slide grease. Lightweight case with backpack straps. . .