The Bach Aristocrat FH600 Bb flugelhorn has a .434" bore and a two-piece yellow brass bell that result in a responsive attack with a broad warm sound. It has a tunable mouthpipe and durable stainless steel piston material that provides smooth and quick action. The 3rd valve thumb trigger makes for easy intonation adjustments. The clear lacquer finish provides a subtle warmth to the overall sound. The FH600 is well suited for all musical settings.