Compatible models : For Dell Latitude E6400 E6500 Precision M2400 M4400 series Part number : NSK-DBC01 SX082025AS1 Specification?The keyboard is without frame! pls see detail compatible model in descrirption. Safe?Easy for you replace your faulty,cracked or broken keyboard ,seller remind that you should replace the keyboard in the off state. All pictures are taken from the real item, please check carefully before bidding Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping Please contact us if you have any question or problems