Bach AB190 Artisan, Bb Trumpet, Artisan series, ML Bore Ø 11.66 mm (.459 ""), Single-piece, hand hammered Ø 122.24 mm (4- 13/16"") brass bell with flat rim, Monel valves, Enlarged ferrules, Open thumb ring on the first valve slide, Ring on the third slide with extended low F threaded rod on the third valve slide, Deluxe engraving, Clear lacquer finish, Incl. 2 sets of valve guides made of metal and plastic and Bach C190DBL deluxe rectangular double box, Mouth piece not included