The Thomann EP 404 Baritone Horn exhibits a durable brass body and nickel-silver outer sides and inner slides. This instrument provides excellent projection and warm tones. The nickel-silver valve casing and lacquer finish add lustre to the instrument. The EP 404 Baritone Horn incorporates a 4-valve system that is designed to provide an extended lower register and improve pitch accuracy. The bore diameter is 15mm, and the bell diameter 26cm. This baritone horn comes with a mouthpiece, a case, and backpack straps.