BBb-Tuba, 4 rotary valves, w/soft case on wheelsclear lacquer.double ball-joints mechanismnickel silver slidesadjustable thumb holderbell: 45.0 cm or 17.72in.bore: 19.0 mm or 0.748in.instrument weight: 11kg or 24...

BBb-Sousaphone, 3 valves, w/ABS case on wheelsclear lacquer.slides in nickel silverw/shoulder padbell: 66.0 cm or 26 in.bore: 16.0 mm or 0.63 in.instrument weight: 11.5 kg or 25.25 lbs...