4 Buttons Flip Remote Key Case for Nissan Sentra 350Z Altima Maxima Infiniti FX35 G35 QX56 I35 No Chips Inside FCC ID:KBRASTU15 Key blade size:47mm*8mm 4buttons(lock unlock trunk and panic) If you have a worn & broken Key Blank /Remote Case, all you need to do is remove the internal component from your old remote and put it in this case,then the uncut keyblade will have to a locksmith or a dealer to be cut to match your car This is just a key cover shell, there is no interior (remote/electronics/transponder chips) inside.