Specification: -Keys Amount: 61 keys -Material: high quality thick PBT, about 1.3~1.6mm thick -Height: OEM profile, higher than Cherry profile -Craft: Two-color injection molding process, light can pass through well -Advantage: oil-resistant, legend is not easy to fade -Compatible keyboard models: It can be used for most Cherry MX, Gateron, Kailh and all other MX switches keyboard. Notice: -The spacebar is 6.25u (11.7cm). It can’t be compatible if your spacebar is 6/6.5/7u;-Some old Cherry keyboards have different back hole on spacebar or capslock keys. They are not compatible; -Some Costar stabilizer keyboard whose spacebar may be clicky for thick caps.You can adjust the wire or cut the edges of inner spacebar.-The keycap's stem is produced according to the size of Gateron switch. As we know, Cherry switch is a little bigger than Gateron one. When you try to install on Cherry switches, please press a little harder but slowly to let it fit. After Service If some keys missing or broken on the way,just leave us message,we will send you missing or broken ones soon.Don't worry about it and don't leave feedback immediately.