A 5.8*5.8mm lock tactile switch is a type of push-button switch that stays in the "on" or "off" state after being pressed, and can be found in a variety of electronic devices. These small, rectangular switches are typically designed for printed circuit board (PCB) mounting and have a button that provides a physical "click" when activated. They are often available with 3 or 6 pins and can be used in applications like home appliances, automotive electronics, and computer accessories.