1.The fee listed for all merchandise is for a single unit, and the products don't include screws. Buyers deserve to buy screws separately.2.The installation of screws is determined by the needs of the client installed, because the set up of the thickness of the plate is not the same, the size of the screws are different, and there are metric system imperial components U.S. system, there are cup head countersunk head pan head ball head elements or fixed with screws and nuts or self-tapping screws, so the vendor would not bring screws, please understand!