Model #TB5100
Bore: 13,89 mm.
Bell diameter: 216 mm. (Bellflex)
Inner slide: cromed brass
Outer slide: lacquered brass
Silver Plated copper bell upon request
Model #TB5300 (screwed)
Bore: 13,89 mm.
Bell diameter: 216 mm. (Bellflex)
Inner slide: cromed brass
Outer slide: lacquered brass
Double screw detachable bell
Silver Plated copper bell upon request