M-AUDIO O2 MIDI Controller Keyboard Used Part: White Keys [C-E-G-B] 4 Key Set

M-AUDIO Oxygen KeyStation 49 MIDI Keyboard Part: White Key C [Far Right Octave]

ALESIS MELODY HARMONY 61 MKII Keyboard Used Part: White Key C [Far Right]

ALESIS MELODY HARMONY 61 MKII Keyboard White Key high C [Far Right]

CASIO CTK-2500 CTK-3500 Keyboard Used Highest Octave White Right Keys [D-F-A-C]

THE ONE Smart Light Keyboard Used Part: White Key C (Far Right Octave) Single

THE ONE Smart Light Keyboard Used Key Part: 5 Black Keys (Flat/Sharp) One Octave

YAMAHA EZ-220 Keyboard Replacement Part: White Key C [Far Right Octave] Single