Alpinetech 12mm 1/2" Anti-Vandal Stainless Steel Momentary Metal Push Button Switch Pin Terminal Dome Button Normally Open 1NO Momentary Type - Push & Hold ON, Release OFF High quality stainless steel material High IP67 Protection for used in wet or dusty enviroment. Great for electronmagnetic Starter, relay, Horn Button Switch, PC Power Switch or any circuit controls. Perfect for your smaller DIY MODs