Triwing screwdriver made exclusively for Nintendo Wii. Rare and hard to locate in stores, you will need this tool to open your Wii System. Also compatible: Gameboy Colors and Systems; Gameboy Advances and Systems; Gameboy Advance SPs and Systems; Gameboy Micros and Systems. Nintendo DS and Nintendo DS Lite Controllers and Systems. Nintendo Wii Remote and Systems. The handle is 1/2 inch wide.