The Jupiter JTB730A trombone is designed with the beginner in mind. Produced with state-of-the-art technology, the JTB730A is constructed for the most exact and accurate scale and playability. The yellow brass outer handslide and lapped chromed-inner slides aids in the response and helps to center the tone. The yellow brass bell is designed for excellent tone production and projection. The JTB700A trombone is available in a clear lacquer finish and includes an ABS molded case and mouthpiece.