The Yamaha YBB-321WC Series 4-Valve 4/4 BBb Tuba integrates a wonderful, centered tone with excellent resonance and projection. An ideal band instrument, this tuba has a .728" bore and a 17.5" bell. Its gold brass lead pipe contributes to its focused tone and its 4 top action nickel plated piston valves ensure smooth and comfortable playing. This instrument includes a case and a mouthpiece. Enjoy your Yamaha YBB-321WC Series 4-Valve 4/4 BBb Tuba in a lacquer or silver finish.