Product Details Shipping & Returns Product Details Acer Aspire ONE D257 Replacement laptop keyboard keys WHAT COMES WITH EACH KEY ORDER 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 you press it. Please select from the following key type versions. AC28-V2 AC29 AC38 Your Keyboard Should look like this. Shipping & Returns