Please read through the guide in Shenzhen 2 U before making any purchase in this catalogue. This is a ubiquitous push button you can find on arcade games. It has vivid color and smooth touch feeling, a great component for game applications. Features Moderate size Vivid color Easy to press Light weight Specifications Shell diameter: 27.5mm Mounting hole diameter: 24.5mm Button diameter: 20mm Height: 33mm