Product Details Reviews Shipping & Returns Product Details HP 550 Laptop Keys Replacement WHAT COMES WITH EACH LAPTOP KEYBOARD KEY ORDER The Laptop Key Cap This is the piece of plastic that has the letter on it. The Keyboard Key Retainer Clip The plastic 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 you press it. Please identify your Retainer KEY TYPE , there are 4 versions of this keyboard, so please make sure to select the retainer key type that best matches yours. If you need more help, please visit the how to order section. HC12 HC29 HC37 HC38 Reviews 1 Review Hide Reviews Show Reviews –> Great fitting oem key 5 Posted by Jeff Steffen on 26th Jan 2021 The original keyboard key it works perfectly thanks