Rhythm Band Instruments RB107C Chromatic Add-On Handbell-Deskbell 5 Note chromatic add on bell set for those who already own the RB107 Diatonic 8-note Handbell / Deskbell Includes C#&#44; D#&#44; F#&#44; G#&#44; A#. Includes C#&#44; D#&#44; F#&#44; G#&#44; A#.