Carol Brass CTB-2229-YST-YNNN-N3 3B Bb/F Tenor Trombone M Bore

Model:                 CTB-2229-YSS-YNNY-Y3

Key:                    Bb - F  (Open F-wrap rotary system)
Bore:                   M (0.508"；12.90mm)
Bell material:       Y (Yellow brass & wire rim soldered)
Bell size:             S 
Bell thickness:    S (Standard 0.024"；0.6mm)
Bell diameter:     8.0" (203.0mm)
Finishing:            L (Clear Lacquer)
Leadpipe:            Yellow brass

*Inner yellow brass/ Outer nickel silver slide
*Hard chromium plated nickel-silver inner hand slide
*Yellow brass outer hand slide
*Yellow brass hand slide U bow, squared

Also come with:
CarolBrass® Backpacker case
CarolBrass® 6 1/2 AL small shank mouthpiece
Cleaning cloth (wipe)
Warranty (User guide)
Hand slide oil