Package Information: 1x 108 OEM Keycap Keyset + 14 Extra keys which can use for 68 84 96 layout ^^ Only keycaps in package, no mechanical keyboard included. This keycap is better for north leds, south facing led can choose another side lit keycaps in our store ^^ This keycap is compatible with most Standard 61 87 104 108 ANSI MX switches Mechanical keyboard whose bottom row is 6.25 u and 7x 1.25 u, namely space is 11.7 cm ^^ This keycap can be used for 68 84 96 layout which need 1.75 u shift 1u Alt Fn Ctrl. If you want to use on 96 layout, you need to use a novelty key to put on R4 End place ^^ The keycap is made of PBT material, it's double shot and dyed which can let the shine through.