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.FeaturesModerate sizeVivid colorEasy to pressLight weightSpecificationsShell diameter: 27.5mmMounting hole diameter: 24.5mmButton diameter: 20mmHeight: 33mm