Compatible with laptop display back cover Lcd screen hinge bottom screws . LCD screen hinge screws assembly : to secure the hinge to the screen display cover( located under the bezel) Package includes: 8pcs screws and 1x Phillips screwdriver . In order to prolong the service life of your laptop and maintain its stability, it is recommended that the screen shaft screws be inspected and maintained on a regular basis. If you find the screws loose or damaged, please replace or repair them in time. If you are not sure about the size of the screen shaft screws you need, or if you don't know how to remove the screen shafts or screws correctly. You can contact customer service support and we will help you. Package includes: 8x screws, 1x Phillips screwdriver .