Features Linings in wing joint and small bore of boot jointGerman bell (white ring)Nickel silver keys with silverplatingFull German systemPlateau keys on wing joint third finger holeRollers on F, Ab, Eb, DbA440 tuning one cent Description Product Description Key of C. Black maple body, full German system, long bore. Linings in the wing joint and small bore of the boot joint. German bell (white ring); Nickel silver keys with silverplating; plateau keys on wing joint third finger hole; rollers on F, Ab, Eb, and Db. A440 tuning one cent. Includes fine plush-lined case, #2 and #3 C bore bocals.