Designed and manufactured by Realforce to fit the Realforce RC1 keyboard. This keycap set is available in several colors in two different kits: alpha and modifier. The modifier kit (22 keys) includes modifier keys, Escape key, Delete key, arrow keys, and F5 to F8 keys. The Alpha kit (56 keys) includes letter keys, symbol keys, number keys, spacebar, and some function keys (F1 to F4, F9 to F12).