Description: The JTB730A standard trombone features a brass outer slide with chromed inner slides and is the perfect instrument for the beginner. It comes in an ABS molded case. Features: Lacquered Brass Body is produced using state of the art technology to ensure an instrument of the most accurate scale and playability Brass outer slide with hand lapped chromed-inner slides offer superior response and a more centered tone ABS Molded Case offers excellent lightweight protection and is very easy to carry Find a Dealer tweet share