Features Includes both low A and high F keys, double key arms on low C and B keys, a reinforced table key arch, and double body-to-bell braces Includes a sturdy but lightweight hardshell case with wheels Description Product Description BS500 baritone saxophone are well-constructed instruments, ideal for school use. Includes both low A and high F# keys, double key arms on low C and B keys, a reinforced table key arch, and double body-to-bell braces. Guide/braces on the lower stack, on the bell key hinge rods, and on the high F and F# rods provide added stability. The BS500 includes a sturdy but lightweight hardshell case with wheels.