Package Included1Full set 128 keysKeycap Puller.
^^ PBT Material: This keycap is made of high quality PBT key material, with matte texture and wear resistance. ^^ It can be used for most MX switches mechanical keyboard 61 64 68 75 84 87 96 104 108 whose space is 6.25 u, namely 11.7 cm. ^^ If your low profile mx keyboard back stem is not in a straight line, then the big modiffier keys can't use. It's not compatible with old Keychron / Cherry 10 N low profile keyboard.