Double French Horn 6D Artist. C.G. Conn Instruments standing for high quality american made brass instruments. The history shows the long periode of making experiences and getting better. But the main effort based on passion and love for music. Play and you will hear it. Features F/Bb-Tuning, 468" bore (11,89 mm), Bell Ø 12" = 305 mm, Yellow brass bell, Nickel silver outer slides, CONN 2 mouthpiece, Deluxe hard shell case, Lacquered finish.