Model #TB5700
Bore: 12,70 mm.
Bell diameter: 180 mm. (Bellflex)
Inner slide: cromed brass
Outer slide: silver plated brass
Silver plated copper bell upon request
Model #TB5702
Bore: 12,70 mm.
Bell diameter: 180 mm. (Bellflex)
Inner slide: cromed brass
Outer slide: silver plated brass
Silver plated copper bell upon request