PFU Color Keycap Set (for HHKB Professional Series) PD-KB400KT01

Colored keycaps make typing even more fun! Customize your keyboard to suit your tastes. This is an optional product compatible with the HHKB HYBRID Type-S, HYBRID, Classic, and Professional series. Use it to replace the keycaps of the ESC (blue) and Control (red) keys.