This 2 Pcs Vermillion buttons is perfect for a classic Street Fighter setup. These Sanwa pushbuttons are OEM on most Japanese arcade cabinets. They are also the choice of most fighting game console players. If you are building your own joystick or modding a store bought joystick, then these are the perfect buttons for a classic Japanese arcade feel. These buttons are only for metal control panels. If you want to cover your panel with lexan please use OSBN-30 buttons. The vertical microswitch has .110" lugs. These buttons fit in 30mm holes.