Note: Some non standard US layout mechanical keyboards can't use this keyset. Because the size of the space bar / enter key / shfit key and win keys are different. You also can confirm with us, if you are not sure the keycaps size of your keyboard. The keycap height is OEM profile, the thickness is about 1.4mm. Excellent double shot craftsmanship, shine through the keycaps no light leakage. The key caps can fit most Standard US layout 61/ 87 TKL / 104 / 108 mx switches mechanical keyboards. This keycap set contain 109pcs pbt backlit keycaps and 1pcs key puller.