Holton H 378R F/Bb- Double Horn, F/Bb Double Horn, Conical rotary valves, String linkage system, Medium-large bell, Nickel silver inner and outer slides, Bell: 310 mm, Bore: 11.89 mm, Brass leadpipe, Fixed bell, Brass body, Coated with a clear layer of lacquer, Incl. Mouth piece and case