Carol Brass CTB-2207-YSS-YNNY-Y3 Small Bore Tenor Trombone

Model:                 CTB-2207-YSS-YNNY-Y3
Key:                    C  (Bb original)
Bore:                   S (0.500"；12.7mm)
Bell material:       Y (Yellow brass)  
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 tuning slide
*Hard chromium plated nickel-silver inner hand slide
*Yellow brass outer hand slide
*Yellow brass hand slide U bow, squared

Also come with:
Black ABS case
CarolBrass® 12C mouthpiece
Cleaning cloth (wipe) 
Warranty (User guide)
Hand slide oil