The Thomann HR 810 Bb-/F Horn is your ideal companion for orchestras and mid-scale gigs. This instrument features a ball-joint linkage. The long tuning slide allows for appropriate adjustments to bring the Bb horn in tune. The fixed brass bell measures 310mm in diameter, and the bore measures 11.9mm in diameter. The body of this instrument is constructed out of brass. This material guarantees extreme durability and excellent corrosive resistance. The three-dimensional adjustable finger hook provides optimum playing comfort. The instrument exhibits ball-joint linkage and a gold brass mouthpiece with water key.