BACO-Mushroom-Emergency-Stop-Buttons-40mm-BACO-L22ER01-P-A-rugged-yet-economical-plastic-mushroom-emergency-stop-pushbutton-with-turn-reset-for-your-operator-control-panel-designs-this-pushbutton-is-made-with-thermoplastic-A-complete-unit-consists-of-a-push-button-actuator-an-adaptor-compartment-and-a-contact-element-opener-and-closer-P-P-BACO-Mushroom-Push-button-40mm-L22ER01-Rotary-Reset