The Etude ETB-100 Series Student Trombone features a medium bore designed for easy tone production and projection. This trombone also features a brass outer handslide and crook plus a chrome inner handslide for enhanced durability. Including a mouthpiece and case, the ETB-100 displays a great design and reflects Etude's commitment to outstanding construction, resulting in an instrument that will give you years of musical enjoyment and give your student every chance to develop a lifelong association with the love of music.