This set includes all screws except the CMOS battery door screw.
Some Nintendo Wii consoles have two 10 mm black screws securing the fan, while others have 11.1 mm silver screws. Either size will work in any console. If your kit comes with 11 black 10 mm Phillips screws, then use the black screws to secure the fan. If there are only 9 in your kit, then use 11.1 mm silver screws for the fan.