Original Sanwa push button Available colors: red, yellow, blue, orange, white, pink, green, black Size:33mm The official Sanwa button (OBSF-30), measuring ... buttons around.Their are a couple of different sizes in this range. This is the larger styled button. Also as with ... is inbuilt into the button. So no need to purchase and fit microswitches seperately. (OBSF-30)Sanwa Push Button for Arcade Game ...