The C.G. Conn 88HT Symphony trombone features a .547 primary bore combined with a .562 bore traditional wrap F attachment that offers outstanding clarity and projection. The chrome plated nickel silver inner handslide tubes provide the ideal surface for smooth and quick handslide action. The thin rose brass material used in the professional bell produces a deep warm resonant sound with a quick response. The clear lacquer finish adds a subtle warmth to the overall. The C.G. Conn 88HT professional trombone is ideal for both symphonic and solo performance.