This pre-owned Yamaha 448g is an ideal step up instrument for an intermediate student, or a useful 2nd instrument for a high school or college student in marching band. It is a large .547 bore with a gold brass bell. This trombone shows cosmetic signs of wear but functions well. It has been thoroughly cleaned and overhauled by our expert repair shop. The slide and valve function well and the instrument plays easily. Includes original case in good condition and Bach 6 1/2AL mouthpiece.