Bb Trumpet ML-Bore: 11.68 mm Brass body Seamless brass lead pipe with reduced Venturi nozzle for more resistance Lightweight 140 mm bell Tapered bell for a brighter and more focused sound Three stainless steel valves Slide stop screw on 1st and 3rd valve slide Nickel silver outer slides and brass inner slides Phat finger rings Custom Z-connection (bell lead pipe) Two Amado water keys Bell and bow are brushed Leadpipe, valve block and tuning slides with clear lacquer finish Includes case and gold-plated ML mouthpiece