The Key Cap This is the piece of plastic that has the letter on it.
The Retainer Clip The plastic or metal sisscor clip pieces that hold the key cap to the base of the keyboard.
The Rubber Cup This is the piece of rubber or plastic that acts as the spring to rebound the key after your press it.
Please identify your KEY TYPE, There are 4 versions of the same keyboard, so please make sure to identify the retainer key type that best matches your keyboard. If you need more info please visit the how to order section.