Miraphone 47 WL4 07000 Tenor Horn, Bb Tenor Horn, Loimayr Model, Wide design, 4 Valves, Cylinder valve mechanism, Bell Ø: 270 mm, Bore: 13.9 mm, MMS GK 5-2 / Miraphone-Minibal linkage system, Brass body, Lacquer finish, Nickel silver fittings, Conical rotary valves, Includes TH10 mouthpiece, Case not included