Product Details Reviews Shipping & Returns Product Details Acer Aspire ms2319 Laptop Keys Replacement Acer Aspire ms2319 Laptop Keys Replacement 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. AC28 AC29 AC38 AC40 WHAT COMES WITH EACH LAPTOP KEYBOARD 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 your press it. Reviews 1 Review Hide Reviews Show Reviews –> Replacement keys 5 Posted by Richard Capehart on 16th Dec 2019 Fast service, keys fit perfect.