Cerveny CFB 651-5GPRX3 F- tuba, 5 rotor valves (4+1), MINIBAL- ball joints, brass body and bell, goldbrass leadpipe, inner- and outerslides, nickelsilver bell rim, bore size Ø18,2mm, 2nd slide trigger, bell size Ø400mm, length: 94cm, clear lacquered, weight: 6,8kg, incl. silver plated mouthpiece and case