This keycap set contain 110pcs side printed pbt keycaps(non-backlit) and 1pcs keycap puller ANSI layout mechanical keyboard caps, it can fit most 87 / 104 / 108 mx switches mechanical keyboard and cherry 3000 / 3494 / 3800 / 3850 Side printed pbt keycaps, the patterns use laser engraving process The thickness of these keycaps is about 1.5mm, and the height is OEM profile 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. So you can confirm with us, if you are not sure about the keycaps size of your keyboard