Conn 52HL TromboneThis professional trombone is a great all around model. It as a . 547'' large bore, an F attachment of 8 5 8'' in rose brass. It offers a rich colorful sound, clear attacks and stability. It is well built and durable with its chrome plated nickel slide. Description The C. G. Conn 52HL is a . 547" large bore symphonic tenor trombone with F attachment made with an 8 5 8" seamless rose brass bell resulting in a warm, rich colorful sound. The traditional