Product Details: Prepare your semi to be Ready for the Road Ahead™, with the Cole Hersee SPST Push-Button Switch that provides a momentary burst of power to electrical devices. Due to its ability to provide a brief moment of power, this replacement button is the ideal option to transfer power to lights, motors, and other applications. Constructed with a durable diecast body for improved water resistance. FleetPride is your First Click in Heavy Duty®.