Acoustically, the Fox Model IV is patterned after the Fox Model II. Built from molded polypropylene and hand-finished by Fox craftsmen, the Fox Models III and IV are the most cosmetically pleasing plastic body bassoons. Both models appeal to military bands, university music programs, and individuals seeking a durable, second instrument. Molded, hand-finished polypropylene body, German (white synthetic ivory) bell, nickel silver water tubes extending into the bore, body lockKeywork: Full German key system with silver plating. Rollers for right little finger F and Ab, rollers for left little finger Eb and Db, high D keyComes with premium case with shoulder and backpack straps, two Fox bassoon reeds, hand rest, neck strap, seat strap, microfiber swabs for boot and wing, care cloth, two professional T bocals ~ #2 & #3 lengthsAdditional options:Balance Hanger A♭-B♭ trill key E♭ trill key Left hand whisper key lock Rollers for right thumb B♭ and F♯ Rollers for left thumb C♯, whisper key, Low C & D High A bridge to whisper key Plateau key