Streamline your fightstick, arcade stick, or arcade machine with these Qanba 30mm Snap-In Button Plugs, designed to cover unused button holes and create a clean, finished look. Perfect for filling 30mm holes on metal or plastic control panels, these plugs provide a secure, snap-in fit, ideal for both fightsticks and arcade machines. Not recommended for wood control panels. Keep your setup looking polished and professional, whether you're upgrading your personal controller or maintaining an arcade machine.