The Fox Model 900 contrabassoon was introduced in 1971 and continues to be preferred by the most discriminating performers in premier orchestras, opera companies, music schools and conservatories all over the world. Select, aged maple body, removable inner U-tubes, full German key system with silver plating, alternate right little finger F♯ and right forefinger Eb, right little finger F and Ab rollers, left little finger Eb and Db rollers, water key on tuning slide. Comes with two Fox contrabassoon bocals, premium aluminum shell case, custom made for Fox contrabassoons, two contrabassoon reeds, end pin, fingering chartAdditional options:Maple finished in mahogany or ebony colorAlternate Eb keys (5 options)Alternate vent keys (4 types) Divorced low E mechanism E-F♯ trill key Thumb G♯ spatula Rollers for wing C and Eb keys Custom keys