Pack of 3 Black High Quality Momentary Push Button Switches.  Normally Closed contacts SPST. These switches can be used for many applications including  Modelling or numerous DIY projects (i.e switch on a light in a wardrobe when the door is opened) The default position is contacts closed, and when pushed the contacts open. When the button is released the switch springs back to contacts closed again. (Please click here if you want these in Red instead of Black) If you need the normally open type-push to make then (Please click here to order the other type) Action Type: Momentary Contact Type: 1 Normally Closed Voltage: 250VAC/1A,125VAC/3A Terminals 2 Pins Button Diameter 6mm Hole Diameter 7mm Pack Quantity 3. I am an Electronics Engineer with over 25 years experience so if you have any questions then please ask and I will get straight back to you. Thanks For Looking.