Description:  → The caps are doubleshot backlit PBT; → This keyset is standard ANSI / ISO layout; → The thickness of the backlit pbt keycaps is about 1mm, the height is OEM profile; → The keycaps fit most 60% / 87 TKL/104/108 mx switches(such as Cherry MX, Kailh, Outemu, Gateron ect.) mechanical keyboards. But the size of the Space Bar / Ctrl / Win / Menu and Alt keys of some keyboards maybe different from this keyset, so you can confirm with us, if you are not sure about the keycaps size of your keyboard.  Keycaps Size: → Ctrl: 1.25u → Win: 1.25u → Alt: 1.25u → Menu: 1.25u → Space Bar: 6.25u Compatible Models: This keycap set fit most style 60% / 87 TKL / 104 / 108 mx switches mechanical keyboards. Note that the size of the Space Bar / Ctrl / Win / Menu and Alt keys of some models maybe different from this keyset.