Stagg WS-TB245 Bb Tenor Slide Chrome Plated Trombone with ABS Case

Features 
Tune: Bb 
L-bore: 13.9mm or 0.547in. 
Body material: Brass 
Brass bell diameter: 21.5cm or 8.46in. 
Chrome plated nickel silver inner slide 
Brass outer slide 
Brass hand slide bow 
Water key 
Includes mouthpiece silver plated 
Soft case with backpack straps  
Case dimensons: 94x31x29cm or 37.01x12.2x11.42in. 
Instrument complete workshop tested