Bell 440 mm, bore 19 mm - 21 mm, brass, clear lacquered, 4 front-action piston valves, 5th valve rotary cylinder with original MINIBAL joints, bore 1st - 3rd valve Ø: 19,0 mm, 4th valve Ø: 20,0 mm, 5th valve Ø: 21 mm, gold brass leadpipe, light case with wheels - height 885 mm, 8,3 kg weight.
