Pre-Owned Yamaha YHR-314 F Single HornThe 314 single horn features a rich, warm tone, superb flexibility, an easy response, and accurate intonation balanced through the entire range. YHR 314II Specifications Key F Body Yellow brass Bell Size M Bell Type Fixed Bore Size 12mm (0. 472") Number of Valves 3 Valve Rotors Solid Lever Action String Finish Clear lacquer Mouthpiece Not Included Case Included