Carol Brass CTR-5000L-YST-Bb-L Bb Trumpet

Model:                 CTR-5000L-YST
Key:                    Bb
Bore:                   ML (0.460"；11.70mm)
Main slide:           L (Reversed roots)
Bell material:       Y (Yellow brass & wire rim soldered)
Bell size:             S (Standard #37)
Bell thickness:     T (Thin 0.016"；0.4mm)
Bell diameter:      5.00" (127.00mm)
Finishing:             L (Clear Lacquer)
Leadpipe:             Yellow brass
  
*Inner yellow brass/ Outer yellow tuning slide
*1st tuning slide fixed finger ring
*3rd tuning slide fixed finger ring with stopper screw