Four valve euphonium outfit with the fourth valve located on the side of the instrument away from the three valve cluster. Placing the 4th valve in this location allows operation by the left hand, which tends to lend to facility and speed. • Key of Bb • 0.571 inch bore • 11 inch upright bell • Yellow brass body & bell • Rose brass leadpipe • 3 upright piston valves • Side mounted 4th valve • Epoxy lacquer finish • Mouthpiece • Case with wheels