completely made of brass, bell 440 mm, height 885 mm, lacquered, 4 Frontaction piston valves plus 1 rotary valve with German MINIBAL linkages, bore 1st - 3rd valve Ø: 19.0 mm, 4th valve Ø: 20.0 mm, 5th valve Ø: 21 mm, gold brass leadpipe, white brass inner and outer slides, 8,3 kg weight, case, mouthpiece