Product Details Shipping & Returns Product Details Asus B53F-A1B Laptop Key Replacement Asus B53F-A1B Laptop Key Replacement This is 100% OEM Asus B53F-A1B Laptop Keyboard Key so you will get perfect fit & Finish. This model is compatible with ALL B53F-A1B models There are 4 version of the same keyboard, the easiest way to tell is by looking at the color of the hinge clips, AS12 and AS40 is only comes in black and the shape are very different, AS29 the regular key hinges are 2 tone, and AS39 is solid white. AS12 AS29 AS38 AS40 Your keyboard keys should look the same as below. 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. Shipping & Returns