The Grassi SEU1500 is a fine beginner instrument with an excellent sound. The Grassi SEU1500 features three top action nickel-plated valves for easy action and care plus a .571 inch bore and upright bell for easy sound production. Key: Bb Bell Diameter: 278 mm Bore Size: 13,80 mm Finish: Lacquered Lead Pipe: Lacquered Piston Valves: 3 on top, Nickel Case: in Foam with wheels
