Ceptify Signature Custom Luxury Mechanical Keyboards are custom made keyboards that feature limited edition or exclusive parts. They are usually released in part of a series, with each series having a limited number of keyboards. Once all the keyboards in a series is released, in order to get a keyboard form said series you will have to go to the aftermarket. Each keyboard goes through a rigorous sound tuning process to produce a unique and satisfying sound. Each keyboard is produced to the highest quality.