The 3131 Challenger II Series Bb/A piccolo trumpet is made for optimal performance. The 3131 features a .465-inch bore with a 3.937-inch long bell design. This piccolo trumpet offers four Monel piston valves with a 3rd valve slide trigger and water keys on the 3rd and 4th valves. The interchangeable Bb and A leadpipes accept a trumpet shank mouthpiece. The 3131 Challenger II includes a double wood case and is available in silver finish.